#31242E
Closest named color: Jet (#212529). oklch(28% 0.026 334.6), rgb(49, 36, 46).
Aa
White text reads best on this color (14.76:1).
About this color
#31242E is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 14.76:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.42:1 |
| White text | 14.76:1 |
Values
| HEX | #31242E |
| RGB | rgb(49, 36, 46) |
| HSL | hsl(314, 15%, 17%) |
| OKLCH | oklch(28% 0.026 334.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #31242E | 14.76:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #31242E | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #31242E text on white | 14.76:1 | AAA | Lc 101.6 | Preferred for body text |
| #31242E text on black | 1.42:1 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EC
oklch(93.7% 0.008 337.4)
-
Step 200
200
#E1D5DE
oklch(88.5% 0.018 334.2)
-
Step 300
300
#CEBAC9
oklch(81% 0.03 334.5)
-
Step 400
400
#B595AD
oklch(70.6% 0.05 335)
-
Step 500
500
#A27B99
oklch(63.1% 0.064 334.7)
-
Step 600
600
#8D6484
oklch(55.6% 0.07 334.6)
-
Step 700
700
#77536F
oklch(49.1% 0.063 334.7)
-
Step 800
800
#61445B
oklch(42.7% 0.053 334)
-
Step 900
900
#4F394A
oklch(37.6% 0.041 334.7)
-
Step 950
950 (this color)
#31242E
oklch(28% 0.026 334.6)
#31242E 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) | #24272E | 0.025 |
| Deuteranopia (no green cones) | #27292E | 0.024 |
| Tritanopia (no blue cones) | #322427 | 0.013 |
| Achromatopsia (no color) | #282828 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31242E
#31242E
oklch(28% 0.026 334.6)
- #1F2D23
#1F2D23
oklch(28.1% 0.026 153.4)
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 #31242E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.032
- Dark #1B2431 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.044
- Gunmetal #293241 ΔE 0.049
- Dark Brown #341C02 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.071
- Onyx #343A40 ΔE 0.071
Use #31242E 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.