#991066

Closest named color: Red Violet (#9E0168). oklch(45.7% 0.181 349.4), rgb(153, 16, 102).

Aa

White text reads best on this color (8.01:1).

About this color

#991066 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.181 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.012 away. White text reads best on it, at 8.01:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.181)
Temperaturewarm
Nearest nameRed Violet (#9E0168)
Black text2.62:1
White text8.01:1

Values

HEX#991066
RGBrgb(153, 16, 102)
HSLhsl(322, 81%, 33%)
OKLCHoklch(45.7% 0.181 349.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #991066 8.01:1 AAA Lc -90.8 Preferred for body text
Black text on #991066 2.62:1 Fails Lc 18.0 Dividers and decoration only
#991066 text on white 8.01:1 AAA Lc 86.0 Fine for body text
#991066 text on black 2.62:1 Fails Lc -16.1 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #FBE2ED

    oklch(93.6% 0.031 349.3)

  3. Step 200

    200

    #F8CADF

    oklch(88.5% 0.058 349.2)

  4. Step 300

    300

    #F5A4CB

    oklch(80.9% 0.107 349.4)

  5. Step 400

    400

    #EB6FB0

    oklch(70.7% 0.169 349.6)

  6. Step 500

    500

    #E13E9D

    oklch(63.1% 0.217 349.4)

  7. Step 600

    600

    #CB0087

    oklch(55.6% 0.232 349.5)

  8. Step 700

    700

    #AC0072

    oklch(49.1% 0.205 349.4)

  9. Step 800

    800 (this color)

    #991066

    oklch(45.7% 0.181 349.4)

  10. Step 900

    900

    #73124D

    oklch(37.7% 0.141 349.2)

  11. Step 950

    950

    #440E2D

    oklch(27.1% 0.09 349.5)

Export this scale for Tailwind in the Tailwind colors tool

#991066 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#2D42680.207
Deuteranopia (no green cones)#5559630.180
Tritanopia (no blue cones)#A5003C0.071
Achromatopsia (no color)#5050500.183

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #991066

    #991066

    oklch(45.7% 0.181 349.4)

  • #00674F

    #00674F

    oklch(45.7% 0.091 169.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #991066

    #991066

    oklch(45.7% 0.181 349.4)

  • #802695

    #802695

    oklch(45.7% 0.182 319.2)

  • #A4042A

    #A4042A

    oklch(45.6% 0.181 19.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #991066

    #991066

    oklch(45.7% 0.181 349.4)

  • #206900

    #206900

    oklch(45.7% 0.145 139.4)

  • #006468

    #006468

    oklch(45.7% 0.078 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #991066

    #991066

    oklch(45.7% 0.181 349.4)

  • #5C5B00

    #5C5B00

    oklch(45.7% 0.099 109)

  • #00607F

    #00607F

    oklch(45.7% 0.09 228.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #991066

    #991066

    oklch(45.7% 0.181 349.4)

  • #735000

    #735000

    oklch(45.7% 0.095 79.5)

  • #00674F

    #00674F

    oklch(45.7% 0.091 169.7)

  • #004FB9

    #004FB9

    oklch(45.7% 0.18 259.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #991066, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #991066 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.