#40252C
Closest named color: Space Cadet (#2B2D42). oklch(30.1% 0.042 3.1), rgb(64, 37, 44).
Aa
White text reads best on this color (13.82:1).
About this color
#40252C is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.042 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.053 away. White text reads best on it, at 13.82:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.82:1 |
Values
| HEX | #40252C |
| RGB | rgb(64, 37, 44) |
| HSL | hsl(344, 27%, 20%) |
| OKLCH | oklch(30.1% 0.042 3.1) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #40252C | 13.82:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #40252C | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #40252C text on white | 13.82:1 | AAA | Lc 100.3 | Preferred for body text |
| #40252C 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.
-
Step 50
50
#FAF4F5
oklch(97.2% 0.007 5.6)
-
Step 100
100
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#EAD2D7
oklch(88.5% 0.027 3.5)
-
Step 300
300
#DEB4BD
oklch(81% 0.05 3.9)
-
Step 400
400
#CB8C9C
oklch(70.7% 0.079 2.7)
-
Step 500
500
#BD6E83
oklch(63.1% 0.103 3.3)
-
Step 600
600
#A8556D
oklch(55.6% 0.112 3)
-
Step 700
700
#90455B
oklch(49.2% 0.104 3.1)
-
Step 800
800
#75394A
oklch(42.7% 0.086 3.4)
-
Step 900
900
#5F323E
oklch(37.8% 0.066 3.7)
-
Step 950
950 (this color)
#40252C
oklch(30.1% 0.042 3.1)
#40252C 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #292A2C | 0.046 |
| Deuteranopia (no green cones) | #302F2B | 0.043 |
| Tritanopia (no blue cones) | #442327 | 0.011 |
| Achromatopsia (no color) | #2D2D2D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40252C
#40252C
oklch(30.1% 0.042 3.1)
- #113530
#113530
oklch(30.1% 0.042 182.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #40252C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.058
- Jet #212529 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.061
- Onyx #343A40 ΔE 0.066
- Dark Brown #341C02 ΔE 0.069
- Dark #1B2431 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.073
Use #40252C 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.