#AA2745

Closest named color: Rouge (#AB1239). oklch(49.2% 0.166 13.1), rgb(170, 39, 69).

Aa

White text reads best on this color (6.80:1).

About this color

#AA2745 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.166 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.022 away. White text reads best on it, at 6.80:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.166)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text3.08:1
White text6.80:1

Values

HEX#AA2745
RGBrgb(170, 39, 69)
HSLhsl(346, 63%, 41%)
OKLCHoklch(49.2% 0.166 13.1)

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 #AA2745 6.80:1 AA Lc -87.2 Fine for body text
Black text on #AA2745 3.08:1 AA large text Lc 21.9 Dividers and decoration only
#AA2745 text on white 6.80:1 AA Lc 82.2 Fine for body text
#AA2745 text on black 3.08:1 AA large text Lc -19.7 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E5

    oklch(93.6% 0.023 14.3)

  3. Step 200

    200

    #F5CED1

    oklch(88.5% 0.044 12.8)

  4. Step 300

    300

    #F0ACB2

    oklch(81% 0.08 13.2)

  5. Step 400

    400

    #E57D89

    oklch(70.8% 0.129 13.6)

  6. Step 500

    500

    #DA576C

    oklch(63.2% 0.165 13.4)

  7. Step 600

    600

    #C53654

    oklch(55.6% 0.179 13.3)

  8. Step 700

    700 (this color)

    #AA2745

    oklch(49.2% 0.166 13.1)

  9. Step 800

    800

    #8A2339

    oklch(42.8% 0.138 13)

  10. Step 900

    900

    #6F2331

    oklch(37.7% 0.107 13)

  11. Step 950

    950

    #41161D

    oklch(27% 0.067 12.8)

Export this scale for Tailwind in the Tailwind colors tool

#AA2745 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)#4B4A450.186
Deuteranopia (no green cones)#6D65420.169
Tritanopia (no blue cones)#BA00340.038
Achromatopsia (no color)#5B5B5B0.168

Harmonies

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

Complementary

The opposite hue (180°).

  • #AA2745

    #AA2745

    oklch(49.2% 0.166 13.1)

  • #00706E

    #00706E

    oklch(49.3% 0.084 192.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AA2745

    #AA2745

    oklch(49.2% 0.166 13.1)

  • #9C2D79

    #9C2D79

    oklch(49.1% 0.167 343.1)

  • #A13D00

    #A13D00

    oklch(49.3% 0.145 43.3)

Open the analogous palette in the generator

Split complementary

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

  • #AA2745

    #AA2745

    oklch(49.2% 0.166 13.1)

  • #00734F

    #00734F

    oklch(49.1% 0.106 163)

  • #006C87

    #006C87

    oklch(49.3% 0.092 222.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AA2745

    #AA2745

    oklch(49.2% 0.166 13.1)

  • #3F7000

    #3F7000

    oklch(49.1% 0.138 133)

  • #0061B4

    #0061B4

    oklch(49.3% 0.152 253)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AA2745

    #AA2745

    oklch(49.2% 0.166 13.1)

  • #6C6300

    #6C6300

    oklch(49.3% 0.104 103.3)

  • #00706E

    #00706E

    oklch(49.3% 0.084 192.6)

  • #584DBA

    #584DBA

    oklch(49.2% 0.166 283)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AA2745, closest first.

Similar named colors

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

Use #AA2745 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.