#31272F
Closest named color: Jet (#212529). oklch(28.7% 0.02 333), rgb(49, 39, 47).
Aa
White text reads best on this color (14.36:1).
About this color
#31272F is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 14.36:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.36:1 |
Values
| HEX | #31272F |
| RGB | rgb(49, 39, 47) |
| HSL | hsl(312, 11%, 17%) |
| OKLCH | oklch(28.7% 0.02 333) |
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 #31272F | 14.36:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #31272F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #31272F text on white | 14.36:1 | AAA | Lc 101.1 | Preferred for body text |
| #31272F text on black | 1.46:1 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EC
oklch(93.6% 0.008 332.1)
-
Step 200
200
#DFD6DD
oklch(88.5% 0.014 333.1)
-
Step 300
300
#CBBBC7
oklch(80.9% 0.024 334.4)
-
Step 400
400
#B098AB
oklch(70.7% 0.039 333.1)
-
Step 500
500
#9C7F96
oklch(63.1% 0.048 333.4)
-
Step 600
600
#876881
oklch(55.7% 0.054 333.1)
-
Step 700
700
#72566D
oklch(49% 0.05 332.6)
-
Step 800
800
#5D4759
oklch(42.8% 0.041 332.6)
-
Step 900
900
#4C3B49
oklch(37.6% 0.033 332.3)
-
Step 950
950 (this color)
#31272F
oklch(28.7% 0.02 333)
#31272F 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) | #27292F | 0.019 |
| Deuteranopia (no green cones) | #292A2F | 0.017 |
| Tritanopia (no blue cones) | #32272A | 0.009 |
| Achromatopsia (no color) | #2A2A2A | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31272F
#31272F
oklch(28.7% 0.02 333)
- #232E26
#232E26
oklch(28.8% 0.021 153.4)
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 #31272F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.035
- Gunmetal #293241 ΔE 0.042
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.044
- Onyx #343A40 ΔE 0.062
- Dark Brown #341C02 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.072
Use #31272F 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.