#313128
Closest named color: Pakistan Green (#283618). oklch(31% 0.016 107.3), rgb(49, 49, 40).
Aa
White text reads best on this color (13.12:1).
About this color
#313128 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Pakistan Green (#283618), ΔE 0.039 away. White text reads best on it, at 13.12:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.60:1 |
| White text | 13.12:1 |
Values
| HEX | #313128 |
| RGB | rgb(49, 49, 40) |
| HSL | hsl(60, 10%, 17%) |
| OKLCH | oklch(31% 0.016 107.3) |
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 #313128 | 13.12:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #313128 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #313128 text on white | 13.12:1 | AAA | Lc 99.4 | Preferred for body text |
| #313128 text on black | 1.60:1 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#DADAD2
oklch(88.6% 0.011 106.6)
-
Step 300
300
#C1C2B4
oklch(80.9% 0.019 110.1)
-
Step 400
400
#A2A28D
oklch(70.6% 0.03 107.1)
-
Step 500
500
#8C8B71
oklch(63% 0.037 105.6)
-
Step 600
600
#76755A
oklch(55.6% 0.04 105.9)
-
Step 700
700
#636249
oklch(49% 0.038 105.8)
-
Step 800
800
#51503C
oklch(42.6% 0.031 105.3)
-
Step 900
900
#434334
oklch(37.8% 0.024 107.5)
-
Step 950
950 (this color)
#313128
oklch(31% 0.016 107.3)
#313128 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) | #333027 | 0.004 |
| Deuteranopia (no green cones) | #333128 | 0.004 |
| Tritanopia (no blue cones) | #32302E | 0.012 |
| Achromatopsia (no color) | #303030 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313128
#313128
oklch(31% 0.016 107.3)
- #302F38
#302F38
oklch(31% 0.016 290.5)
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 #313128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.039
- Onyx #343A40 ΔE 0.044
- Gunmetal #293241 ΔE 0.044
- Jet #212529 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.065
- Dark #1B2431 ΔE 0.067
Use #313128 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.