#21322E
Closest named color: Gunmetal (#293241). oklch(30.1% 0.024 178.4), rgb(33, 50, 46).
Aa
White text reads best on this color (13.45:1).
About this color
#21322E is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.038 away. White text reads best on it, at 13.45:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.56:1 |
| White text | 13.45:1 |
Values
| HEX | #21322E |
| RGB | rgb(33, 50, 46) |
| HSL | hsl(166, 20%, 16%) |
| OKLCH | oklch(30.1% 0.024 178.4) |
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 #21322E | 13.45:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #21322E | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #21322E text on white | 13.45:1 | AAA | Lc 99.9 | Preferred for body text |
| #21322E text on black | 1.56:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C1
oklch(80.9% 0.028 179.5)
-
Step 400
400
#83AAA1
oklch(70.7% 0.044 179.2)
-
Step 500
500
#63958A
oklch(63.1% 0.056 179)
-
Step 600
600
#487F73
oklch(55.5% 0.062 178.3)
-
Step 700
700
#396C61
oklch(49.2% 0.058 178.1)
-
Step 800
800
#30584F
oklch(42.8% 0.048 177.7)
-
Step 900
900
#2B4842
oklch(37.7% 0.037 179.7)
-
Step 950
950 (this color)
#21322E
oklch(30.1% 0.024 178.4)
#21322E 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) | #31302E | 0.026 |
| Deuteranopia (no green cones) | #2E2E2E | 0.024 |
| Tritanopia (no blue cones) | #1C3331 | 0.007 |
| Achromatopsia (no color) | #2F2F2F | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21322E
#21322E
oklch(30.1% 0.024 178.4)
- #38292E
#38292E
oklch(30% 0.024 356.8)
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 #21322E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.038
- Pakistan Green #283618 ΔE 0.043
- Jet #212529 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.049
- Onyx #343A40 ΔE 0.050
- Dark #1B2431 ΔE 0.054
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #21322E 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.