#312229
Closest named color: Jet (#212529). oklch(27.3% 0.026 349.3), rgb(49, 34, 41).
Aa
White text reads best on this color (15.09:1).
About this color
#312229 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.031 away. White text reads best on it, at 15.09:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.39:1 |
| White text | 15.09:1 |
Values
| HEX | #312229 |
| RGB | rgb(49, 34, 41) |
| HSL | hsl(332, 18%, 16%) |
| OKLCH | oklch(27.3% 0.026 349.3) |
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 #312229 | 15.09:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #312229 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #312229 text on white | 15.09:1 | AAA | Lc 102.0 | Preferred for body text |
| #312229 text on black | 1.39:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D1B9C3
oklch(80.9% 0.03 350.7)
-
Step 400
400
#B995A5
oklch(70.8% 0.048 349.9)
-
Step 500
500
#A77A8F
oklch(63.1% 0.063 349.4)
-
Step 600
600
#926379
oklch(55.6% 0.068 349.9)
-
Step 700
700
#7C5266
oklch(49.1% 0.063 349.6)
-
Step 800
800
#654353
oklch(42.7% 0.052 349.8)
-
Step 900
900
#523945
oklch(37.7% 0.04 348.8)
-
Step 950
950 (this color)
#312229
oklch(27.3% 0.026 349.3)
#312229 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) | #232529 | 0.028 |
| Deuteranopia (no green cones) | #272729 | 0.024 |
| Tritanopia (no blue cones) | #332224 | 0.010 |
| Achromatopsia (no color) | #262626 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312229
#312229
oklch(27.3% 0.026 349.3)
- #1A2B25
#1A2B25
oklch(27.2% 0.025 170.3)
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 #312229, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.031
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Dark Brown #341C02 ΔE 0.057
- Gunmetal #293241 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.072
Use #312229 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.