#33313D
Closest named color: Gunmetal (#293241). oklch(32% 0.021 292.8), rgb(51, 49, 61).
Aa
White text reads best on this color (12.74:1).
About this color
#33313D is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.017 away. White text reads best on it, at 12.74:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #33313D |
| RGB | rgb(51, 49, 61) |
| HSL | hsl(250, 11%, 22%) |
| OKLCH | oklch(32% 0.021 292.8) |
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 #33313D | 12.74:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #33313D | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #33313D text on white | 12.74:1 | AAA | Lc 98.8 | Preferred for body text |
| #33313D text on black | 1.64:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#D9D8E2
oklch(88.6% 0.014 290.7)
-
Step 300
300
#C1BED0
oklch(80.9% 0.025 293.5)
-
Step 400
400
#A19CB8
oklch(70.6% 0.041 293.5)
-
Step 500
500
#8A84A6
oklch(63.1% 0.051 293)
-
Step 600
600
#746D92
oklch(55.5% 0.057 293.1)
-
Step 700
700
#615B7C
oklch(49% 0.053 292.7)
-
Step 800
800
#4F4B65
oklch(42.7% 0.043 291.5)
-
Step 900
900
#423E52
oklch(37.6% 0.034 293.9)
-
Step 950
950 (this color)
#33313D
oklch(32% 0.021 292.8)
#33313D 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) | #2E333E | 0.010 |
| Deuteranopia (no green cones) | #2F323D | 0.007 |
| Tritanopia (no blue cones) | #313335 | 0.018 |
| Achromatopsia (no color) | #323232 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33313D
#33313D
oklch(32% 0.021 292.8)
- #333428
#333428
oklch(32% 0.021 111.4)
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 #33313D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.017
- Space Cadet #2B2D42 ΔE 0.023
- Onyx #343A40 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.053
- Midnight Green #073B4C ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.057
Use #33313D 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.