#870645

Closest named color: Red Purple (#820747). oklch(40.6% 0.16 0.5), rgb(135, 6, 69).

Aa

White text reads best on this color (9.80:1).

About this color

#870645 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.160 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.012 away. White text reads best on it, at 9.80:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.160)
Temperaturewarm
Nearest nameRed Purple (#820747)
Black text2.14:1
White text9.80:1

Values

HEX#870645
RGBrgb(135, 6, 69)
HSLhsl(331, 91%, 28%)
OKLCHoklch(40.6% 0.16 0.5)

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 #870645 9.80:1 AAA Lc -95.2 Preferred for body text
Black text on #870645 2.14:1 Fails Lc 13.2 Not readable
#870645 text on white 9.80:1 AAA Lc 90.8 Preferred for body text
#870645 text on black 2.14:1 Fails Lc -11.6 Not readable

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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E9

    oklch(93.6% 0.026 359.9)

  3. Step 200

    200

    #F8CBD7

    oklch(88.4% 0.053 0.4)

  4. Step 300

    300

    #F4A7BD

    oklch(80.9% 0.094 0.8)

  5. Step 400

    400

    #EA759C

    oklch(70.8% 0.15 0.5)

  6. Step 500

    500

    #E04984

    oklch(63.1% 0.193 0.3)

  7. Step 600

    600

    #CB1F6D

    oklch(55.6% 0.209 0.6)

  8. Step 700

    700

    #AF0B5B

    oklch(49.1% 0.194 0.6)

  9. Step 800

    800 (this color)

    #870645

    oklch(40.6% 0.16 0.5)

  10. Step 900

    900

    #721A3E

    oklch(37.6% 0.125 0.5)

  11. Step 950

    950

    #431124

    oklch(26.9% 0.079 0.6)

Export this scale for Tailwind in the Tailwind colors tool

#870645 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)#2D35460.184
Deuteranopia (no green cones)#4E4C420.164
Tritanopia (no blue cones)#9300270.053
Achromatopsia (no color)#4444440.162

Harmonies

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

Complementary

The opposite hue (180°).

  • #870645

    #870645

    oklch(40.6% 0.16 0.5)

  • #00564B

    #00564B

    oklch(40.6% 0.074 180.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #870645

    #870645

    oklch(40.6% 0.16 0.5)

  • #761971

    #761971

    oklch(40.7% 0.161 330.5)

  • #8C0B00

    #8C0B00

    oklch(40.7% 0.161 30.5)

Open the analogous palette in the generator

Split complementary

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

  • #870645

    #870645

    oklch(40.6% 0.16 0.5)

  • #005927

    #005927

    oklch(40.6% 0.11 150.6)

  • #00535F

    #00535F

    oklch(40.6% 0.071 211.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #870645

    #870645

    oklch(40.6% 0.16 0.5)

  • #425000

    #425000

    oklch(40.5% 0.097 120.5)

  • #004E77

    #004E77

    oklch(40.5% 0.095 241.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #870645

    #870645

    oklch(40.6% 0.16 0.5)

  • #5A4700

    #5A4700

    oklch(40.6% 0.083 91.2)

  • #00564B

    #00564B

    oklch(40.6% 0.074 180.3)

  • #2C3B9E

    #2C3B9E

    oklch(40.6% 0.16 270.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #870645, closest first.

Similar named colors

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

Use #870645 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.