#230501

Closest named color: Very Dark Brown (#1D0200). oklch(17.3% 0.055 35.6), rgb(35, 5, 1).

Aa

White text reads best on this color (19.20:1).

About this color

#230501 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.055 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.022 away. White text reads best on it, at 19.20:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.20:1

Values

HEX#230501
RGBrgb(35, 5, 1)
HSLhsl(7, 94%, 7%)
OKLCHoklch(17.3% 0.055 35.6)

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 #230501 19.20:1 AAA Lc -107.3 Preferred for body text
Black text on #230501 1.09:1 Fails Lc 0.0 Not readable
#230501 text on white 19.20:1 AAA Lc 105.2 Preferred for body text
#230501 text on black 1.09:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #FBF4F1

    oklch(97.2% 0.009 44.9)

  2. Step 100

    100

    #F6E6E1

    oklch(93.6% 0.019 38.1)

  3. Step 200

    200

    #F0D1C9

    oklch(88.4% 0.037 34.8)

  4. Step 300

    300

    #E7B2A4

    oklch(80.8% 0.065 35.3)

  5. Step 400

    400

    #D98973

    oklch(70.8% 0.104 36.1)

  6. Step 500

    500

    #CC694F

    oklch(63.1% 0.132 35.7)

  7. Step 600

    600

    #B84D32

    oklch(55.6% 0.145 35.3)

  8. Step 700

    700

    #9E3E24

    oklch(49.1% 0.134 36)

  9. Step 800

    800

    #803420

    oklch(42.7% 0.11 35.7)

  10. Step 900

    900

    #682E1F

    oklch(37.8% 0.087 35.6)

  11. Step 950

    950 (this color)

    #230501

    oklch(17.3% 0.055 35.6)

Export this scale for Tailwind in the Tailwind colors tool

#230501 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)#0D0A010.056
Deuteranopia (no green cones)#1511010.050
Tritanopia (no blue cones)#2800040.023
Achromatopsia (no color)#0F0F0F0.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #230501

    #230501

    oklch(17.3% 0.055 35.6)

  • #001319

    #001319

    oklch(17.2% 0.031 218.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230501

    #230501

    oklch(17.3% 0.055 35.6)

  • #22040D

    #22040D

    oklch(17.3% 0.054 4.5)

  • #1B0C00

    #1B0C00

    oklch(17.3% 0.038 66.4)

Open the analogous palette in the generator

Split complementary

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

  • #230501

    #230501

    oklch(17.3% 0.055 35.6)

  • #001412

    #001412

    oklch(17.2% 0.03 186.8)

  • #001122

    #001122

    oklch(17.2% 0.045 246.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230501

    #230501

    oklch(17.3% 0.055 35.6)

  • #001508

    #001508

    oklch(17.2% 0.042 156.2)

  • #0A0C28

    #0A0C28

    oklch(17.3% 0.056 275.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230501

    #230501

    oklch(17.3% 0.055 35.6)

  • #0B1300

    #0B1300

    oklch(17.2% 0.044 126.1)

  • #001319

    #001319

    oklch(17.2% 0.031 218.5)

  • #160823

    #160823

    oklch(17.3% 0.055 305.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230501, closest first.

Similar named colors

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

Use #230501 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.