#40292D
Closest named color: Space Cadet (#2B2D42). oklch(31% 0.035 7.9), rgb(64, 41, 45).
Aa
White text reads best on this color (13.34:1).
About this color
#40292D is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.035 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.051 away. White text reads best on it, at 13.34:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.34:1 |
Values
| HEX | #40292D |
| RGB | rgb(64, 41, 45) |
| HSL | hsl(350, 22%, 21%) |
| OKLCH | oklch(31% 0.035 7.9) |
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 #40292D | 13.34:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #40292D | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #40292D text on white | 13.34:1 | AAA | Lc 99.7 | Preferred for body text |
| #40292D text on black | 1.57:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#DAB6BB
oklch(80.9% 0.042 8.6)
-
Step 400
400
#C69099
oklch(70.8% 0.066 7.8)
-
Step 500
500
#B67480
oklch(63.2% 0.084 7.9)
-
Step 600
600
#A15B69
oklch(55.6% 0.093 7.7)
-
Step 700
700
#894B57
oklch(49% 0.085 8.3)
-
Step 800
800
#703E48
oklch(42.8% 0.071 7.6)
-
Step 900
900
#5B353C
oklch(37.8% 0.055 8.1)
-
Step 950
950 (this color)
#40292D
oklch(31% 0.035 7.9)
#40292D 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) | #2D2D2D | 0.037 |
| Deuteranopia (no green cones) | #32312D | 0.035 |
| Tritanopia (no blue cones) | #44272A | 0.010 |
| Achromatopsia (no color) | #2F2F2F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40292D
#40292D
oklch(31% 0.035 7.9)
- #1A3634
#1A3634
oklch(31% 0.034 189.6)
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 #40292D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.052
- Onyx #343A40 ΔE 0.055
- Jet #212529 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.066
- Dark Brown #341C02 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.073
- Dark #1B2431 ΔE 0.074
Use #40292D 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.