#312935
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.024 314.4), rgb(49, 41, 53).
Aa
White text reads best on this color (14.00:1).
About this color
#312935 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.025 away. White text reads best on it, at 14.00:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.00:1 |
Values
| HEX | #312935 |
| RGB | rgb(49, 41, 53) |
| HSL | hsl(280, 13%, 18%) |
| OKLCH | oklch(29.5% 0.024 314.4) |
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 #312935 | 14.00:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #312935 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #312935 text on white | 14.00:1 | AAA | Lc 100.7 | Preferred for body text |
| #312935 text on black | 1.49:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DDD6E1
oklch(88.5% 0.017 313.6)
-
Step 300
300
#C8BBCE
oklch(80.9% 0.03 315.3)
-
Step 400
400
#AB99B5
oklch(70.8% 0.045 313.6)
-
Step 500
500
#977FA2
oklch(63.1% 0.058 315.1)
-
Step 600
600
#81688D
oklch(55.5% 0.063 314.6)
-
Step 700
700
#6D5778
oklch(49.1% 0.058 314.2)
-
Step 800
800
#594762
oklch(42.7% 0.049 314.3)
-
Step 900
900
#493C50
oklch(37.8% 0.037 313.7)
-
Step 950
950 (this color)
#312935
oklch(29.5% 0.024 314.4)
#312935 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) | #272B36 | 0.018 |
| Deuteranopia (no green cones) | #292C35 | 0.017 |
| Tritanopia (no blue cones) | #312A2D | 0.016 |
| Achromatopsia (no color) | #2C2C2C | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312935
#312935
oklch(29.5% 0.024 314.4)
- #272F23
#272F23
oklch(29.3% 0.024 135.3)
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 #312935, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.025
- Gunmetal #293241 ΔE 0.032
- Jet #212529 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.044
- Onyx #343A40 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.067
Use #312935 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.