#40252A

Closest named color: Space Cadet (#2B2D42). oklch(30.1% 0.042 7.8), rgb(64, 37, 42).

Aa

White text reads best on this color (13.85:1).

About this color

#40252A is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.042 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.056 away. White text reads best on it, at 13.85:1.

Hue familyReds
Lightnessdark (30%)
Chromamuted (0.042)
Temperaturewarm
Nearest nameSpace Cadet (#2B2D42)
Black text1.51:1
White text13.85:1

Values

HEX#40252A
RGBrgb(64, 37, 42)
HSLhsl(349, 27%, 20%)
OKLCHoklch(30.1% 0.042 7.8)

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 #40252A 13.85:1 AAA Lc -103.4 Preferred for body text
Black text on #40252A 1.51:1 Fails Lc 0.0 Not readable
#40252A text on white 13.85:1 AAA Lc 100.4 Preferred for body text
#40252A text on black 1.51:1 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

    #FAF4F4

    oklch(97.2% 0.006 17.3)

  2. Step 100

    100

    #F3E6E8

    oklch(93.6% 0.014 6.7)

  3. Step 200

    200

    #EAD2D6

    oklch(88.5% 0.027 6.2)

  4. Step 300

    300

    #DEB4BB

    oklch(80.9% 0.049 7)

  5. Step 400

    400

    #CC8C97

    oklch(70.7% 0.079 8)

  6. Step 500

    500

    #BD6F7E

    oklch(63.1% 0.1 7.9)

  7. Step 600

    600

    #A85667

    oklch(55.6% 0.109 8.1)

  8. Step 700

    700

    #904656

    oklch(49.2% 0.101 7.8)

  9. Step 800

    800

    #753A46

    oklch(42.8% 0.083 8.3)

  10. Step 900

    900

    #5F323B

    oklch(37.7% 0.066 7.9)

  11. Step 950

    950 (this color)

    #40252A

    oklch(30.1% 0.042 7.8)

Export this scale for Tailwind in the Tailwind colors tool

#40252A 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)#292A2A0.046
Deuteranopia (no green cones)#302F290.043
Tritanopia (no blue cones)#4523270.012
Achromatopsia (no color)#2D2D2D0.042

Harmonies

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

Complementary

The opposite hue (180°).

  • #40252A

    #40252A

    oklch(30.1% 0.042 7.8)

  • #103532

    #103532

    oklch(30.2% 0.042 187.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #40252A

    #40252A

    oklch(30.1% 0.042 7.8)

  • #3C2635

    #3C2635

    oklch(30.2% 0.041 339.1)

  • #40261F

    #40261F

    oklch(30% 0.042 35.8)

Open the analogous palette in the generator

Split complementary

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

  • #40252A

    #40252A

    oklch(30.1% 0.042 7.8)

  • #1B3426

    #1B3426

    oklch(30% 0.041 158.2)

  • #11333C

    #11333C

    oklch(30.1% 0.042 218.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #40252A

    #40252A

    oklch(30.1% 0.042 7.8)

  • #28321B

    #28321B

    oklch(30.1% 0.041 127.8)

  • #1C3042

    #1C3042

    oklch(30.1% 0.042 246.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #40252A

    #40252A

    oklch(30.1% 0.042 7.8)

  • #342E14

    #342E14

    oklch(30.1% 0.042 96.6)

  • #103532

    #103532

    oklch(30.2% 0.042 187.8)

  • #292C43

    #292C43

    oklch(30.1% 0.042 277.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #40252A, closest first.

Similar named colors

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

Use #40252A 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.