#213838
Closest named color: Gunmetal (#293241). oklch(32.2% 0.029 195.8), rgb(33, 56, 56).
Aa
White text reads best on this color (12.44:1).
About this color
#213838 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.032 away. White text reads best on it, at 12.44:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.68:1 |
| White text | 12.44:1 |
Values
| HEX | #213838 |
| RGB | rgb(33, 56, 56) |
| HSL | hsl(180, 26%, 17%) |
| OKLCH | oklch(32.2% 0.029 195.8) |
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 #213838 | 12.44:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #213838 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #213838 text on white | 12.44:1 | AAA | Lc 98.3 | Preferred for body text |
| #213838 text on black | 1.68:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#A8C8C8
oklch(80.9% 0.034 196.5)
-
Step 400
400
#78ACAC
oklch(70.8% 0.055 196)
-
Step 500
500
#529797
oklch(63.1% 0.07 195.5)
-
Step 600
600
#328182
oklch(55.6% 0.076 196.4)
-
Step 700
700
#246D6E
oklch(49.1% 0.07 196.4)
-
Step 800
800
#205959
oklch(42.7% 0.059 195.2)
-
Step 900
900
#204949
oklch(37.6% 0.046 195.4)
-
Step 950
950 (this color)
#213838
oklch(32.2% 0.029 195.8)
#213838 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) | #353638 | 0.030 |
| Deuteranopia (no green cones) | #313338 | 0.028 |
| Tritanopia (no blue cones) | #183938 | 0.010 |
| Achromatopsia (no color) | #343434 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213838
#213838
oklch(32.2% 0.029 195.8)
- #412D2E
#412D2E
oklch(32.1% 0.03 15.5)
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 #213838, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.032
- Onyx #343A40 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.048
- Pakistan Green #283618 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.054
- Charcoal #264653 ΔE 0.059
Use #213838 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.