#40242E
Closest named color: Space Cadet (#2B2D42). oklch(30% 0.045 357.2), rgb(64, 36, 46).
Aa
White text reads best on this color (13.90:1).
About this color
#40242E is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.045 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.052 away. White text reads best on it, at 13.90:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.90:1 |
Values
| HEX | #40242E |
| RGB | rgb(64, 36, 46) |
| HSL | hsl(339, 28%, 20%) |
| OKLCH | oklch(30% 0.045 357.2) |
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 #40242E | 13.90:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #40242E | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #40242E text on white | 13.90:1 | AAA | Lc 100.4 | Preferred for body text |
| #40242E text on black | 1.50:1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F3E6EA
oklch(93.6% 0.015 356.6)
-
Step 200
200
#EBD1D9
oklch(88.4% 0.031 357.2)
-
Step 300
300
#DEB3C1
oklch(80.9% 0.053 356.9)
-
Step 400
400
#CC8AA1
oklch(70.6% 0.085 357)
-
Step 500
500
#BE6C8A
oklch(63.1% 0.11 357.3)
-
Step 600
600
#A95374
oklch(55.7% 0.118 357.4)
-
Step 700
700
#904361
oklch(49.1% 0.109 357.3)
-
Step 800
800
#75374F
oklch(42.6% 0.091 357.2)
-
Step 900
900
#5F3042
oklch(37.6% 0.072 356.8)
-
Step 950
950 (this color)
#40242E
oklch(30% 0.045 357.2)
#40242E 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) | #28292E | 0.048 |
| Deuteranopia (no green cones) | #2E2E2D | 0.046 |
| Tritanopia (no blue cones) | #442327 | 0.014 |
| Achromatopsia (no color) | #2C2C2C | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40242E
#40242E
oklch(30% 0.045 357.2)
- #0F352D
#0F352D
oklch(29.9% 0.045 176.7)
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 #40242E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.052
- Gunmetal #293241 ΔE 0.059
- Jet #212529 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.064
- Onyx #343A40 ΔE 0.068
- Dark #1B2431 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.071
- Dark Brown #341C02 ΔE 0.072
Use #40242E 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.