#312430
Closest named color: Jet (#212529). oklch(28.1% 0.029 328.9), rgb(49, 36, 48).
Aa
White text reads best on this color (14.73:1).
About this color
#312430 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 14.73:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.42:1 |
| White text | 14.73:1 |
Values
| HEX | #312430 |
| RGB | rgb(49, 36, 48) |
| HSL | hsl(305, 15%, 17%) |
| OKLCH | oklch(28.1% 0.029 328.9) |
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 #312430 | 14.73:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #312430 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #312430 text on white | 14.73:1 | AAA | Lc 101.5 | Preferred for body text |
| #312430 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE8ED
oklch(93.7% 0.009 331)
-
Step 200
200
#E0D5DF
oklch(88.5% 0.018 328.5)
-
Step 300
300
#CDB9CC
oklch(80.8% 0.034 327.4)
-
Step 400
400
#B495B1
oklch(70.7% 0.053 329.3)
-
Step 500
500
#A17B9E
oklch(63.1% 0.068 329)
-
Step 600
600
#8C6389
oklch(55.5% 0.076 329)
-
Step 700
700
#775274
oklch(49.1% 0.07 329.4)
-
Step 800
800
#61435F
oklch(42.7% 0.059 328.8)
-
Step 900
900
#4F394D
oklch(37.7% 0.044 329.5)
-
Step 950
950 (this color)
#312430
oklch(28.1% 0.029 328.9)
#312430 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) | #232730 | 0.027 |
| Deuteranopia (no green cones) | #262930 | 0.025 |
| Tritanopia (no blue cones) | #322528 | 0.016 |
| Achromatopsia (no color) | #282828 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312430
#312430
oklch(28.1% 0.029 328.9)
- #1F2D21
#1F2D21
oklch(28% 0.029 148.6)
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 #312430, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.038
- Dark #1B2431 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Dark Brown #341C02 ΔE 0.069
- Onyx #343A40 ΔE 0.071
- Chocolate Brown #411900 ΔE 0.074
Use #312430 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.