#901A48

Closest named color: Mulberry (#920A4E). oklch(43.5% 0.155 3.5), rgb(144, 26, 72).

Aa

White text reads best on this color (8.65:1).

About this color

#901A48 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.155 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.019 away. White text reads best on it, at 8.65:1.

Hue familyReds
Lightnessdark (44%)
Chromavivid (0.155)
Temperaturewarm
Nearest nameMulberry (#920A4E)
Black text2.42:1
White text8.65:1

Values

HEX#901A48
RGBrgb(144, 26, 72)
HSLhsl(337, 69%, 33%)
OKLCHoklch(43.5% 0.155 3.5)

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 #901A48 8.65:1 AAA Lc -92.9 Preferred for body text
Black text on #901A48 2.42:1 Fails Lc 15.7 Dividers and decoration only
#901A48 text on white 8.65:1 AAA Lc 88.3 Fine for body text
#901A48 text on black 2.42:1 Fails Lc -13.9 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F7CCD5

    oklch(88.5% 0.05 4.1)

  4. Step 300

    300

    #F3A8BA

    oklch(80.8% 0.091 3.6)

  5. Step 400

    400

    #E97697

    oklch(70.6% 0.145 3.3)

  6. Step 500

    500

    #DF4C7D

    oklch(63.1% 0.186 3.7)

  7. Step 600

    600

    #CA2567

    oklch(55.6% 0.202 3.4)

  8. Step 700

    700

    #AE1455

    oklch(49.1% 0.187 3.7)

  9. Step 800

    800 (this color)

    #901A48

    oklch(43.5% 0.155 3.5)

  10. Step 900

    900

    #721C3B

    oklch(37.7% 0.122 3.3)

  11. Step 950

    950

    #431222

    oklch(26.9% 0.077 3.8)

Export this scale for Tailwind in the Tailwind colors tool

#901A48 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)#383D490.176
Deuteranopia (no green cones)#5854450.158
Tritanopia (no blue cones)#9D002F0.043
Achromatopsia (no color)#4C4C4C0.156

Harmonies

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

Complementary

The opposite hue (180°).

  • #901A48

    #901A48

    oklch(43.5% 0.155 3.5)

  • #005F56

    #005F56

    oklch(43.6% 0.077 183.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #901A48

    #901A48

    oklch(43.5% 0.155 3.5)

  • #802574

    #802574

    oklch(43.6% 0.155 333.7)

  • #932004

    #932004

    oklch(43.5% 0.154 33.6)

Open the analogous palette in the generator

Split complementary

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

  • #901A48

    #901A48

    oklch(43.5% 0.155 3.5)

  • #006233

    #006233

    oklch(43.5% 0.11 153.7)

  • #005C6A

    #005C6A

    oklch(43.6% 0.076 212.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #901A48

    #901A48

    oklch(43.5% 0.155 3.5)

  • #465A00

    #465A00

    oklch(43.5% 0.107 123.3)

  • #005687

    #005687

    oklch(43.6% 0.107 243.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #901A48

    #901A48

    oklch(43.5% 0.155 3.5)

  • #624F00

    #624F00

    oklch(43.4% 0.089 92.8)

  • #005F56

    #005F56

    oklch(43.6% 0.077 183.7)

  • #3943A4

    #3943A4

    oklch(43.4% 0.155 273.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #901A48, closest first.

Similar named colors

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

Use #901A48 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.