#AA0F3F

Closest named color: Rouge (#AB1239). oklch(47.6% 0.183 12.5), rgb(170, 15, 63).

Aa

White text reads best on this color (7.37:1).

About this color

#AA0F3F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.183 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.010 away. White text reads best on it, at 7.37:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.84:1
White text7.37:1

Values

HEX#AA0F3F
RGBrgb(170, 15, 63)
HSLhsl(341, 84%, 36%)
OKLCHoklch(47.6% 0.183 12.5)

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 #AA0F3F 7.37:1 AAA Lc -88.6 Fine for body text
Black text on #AA0F3F 2.84:1 Fails Lc 20.5 Dividers and decoration only
#AA0F3F text on white 7.37:1 AAA Lc 83.6 Fine for body text
#AA0F3F text on black 2.84:1 Fails Lc -18.4 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 700.

  1. Step 50

    50

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FAE3E5

    oklch(93.5% 0.025 11.6)

  3. Step 200

    200

    #F8CDD0

    oklch(88.6% 0.049 13.4)

  4. Step 300

    300

    #F4A9B1

    oklch(80.9% 0.089 12.2)

  5. Step 400

    400

    #EA7888

    oklch(70.7% 0.141 12.5)

  6. Step 500

    500

    #E04F6B

    oklch(63.1% 0.18 12.4)

  7. Step 600

    600

    #CB2953

    oklch(55.5% 0.196 12.3)

  8. Step 700

    700 (this color)

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  9. Step 800

    800

    #8E1937

    oklch(42.6% 0.151 12.6)

  10. Step 900

    900

    #731E30

    oklch(37.8% 0.118 12.6)

  11. Step 950

    950

    #44131C

    oklch(27.1% 0.076 12.7)

Export this scale for Tailwind in the Tailwind colors tool

#AA0F3F 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)#4342400.205
Deuteranopia (no green cones)#69603B0.185
Tritanopia (no blue cones)#BB00270.045
Achromatopsia (no color)#5656560.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #AA0F3F

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  • #006B69

    #006B69

    oklch(47.7% 0.082 192.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AA0F3F

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  • #9B1D77

    #9B1D77

    oklch(47.5% 0.182 342.7)

  • #9A3900

    #9A3900

    oklch(47.5% 0.141 42.8)

Open the analogous palette in the generator

Split complementary

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

  • #AA0F3F

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  • #006E4B

    #006E4B

    oklch(47.6% 0.103 162.7)

  • #006780

    #006780

    oklch(47.6% 0.088 222.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AA0F3F

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  • #3D6B00

    #3D6B00

    oklch(47.6% 0.133 132.6)

  • #005CAA

    #005CAA

    oklch(47.4% 0.145 252.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AA0F3F

    #AA0F3F

    oklch(47.6% 0.183 12.5)

  • #675E00

    #675E00

    oklch(47.6% 0.1 103)

  • #006B69

    #006B69

    oklch(47.7% 0.082 192.5)

  • #5344BD

    #5344BD

    oklch(47.5% 0.182 282.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AA0F3F, closest first.

Similar named colors

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

Use #AA0F3F 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.