#213438
Closest named color: Gunmetal (#293241). oklch(31% 0.026 212.2), rgb(33, 52, 56).
Aa
White text reads best on this color (13.01:1).
About this color
#213438 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.023 away. White text reads best on it, at 13.01:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #213438 |
| RGB | rgb(33, 52, 56) |
| HSL | hsl(190, 26%, 17%) |
| OKLCH | oklch(31% 0.026 212.2) |
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 #213438 | 13.01:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #213438 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #213438 text on white | 13.01:1 | AAA | Lc 99.2 | Preferred for body text |
| #213438 text on black | 1.61:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CC
oklch(80.8% 0.03 212.6)
-
Step 400
400
#7EA9B2
oklch(70.7% 0.048 212)
-
Step 500
500
#5B949F
oklch(63.1% 0.062 211.2)
-
Step 600
600
#3F7E8A
oklch(55.6% 0.067 211.5)
-
Step 700
700
#306A75
oklch(49% 0.063 211.7)
-
Step 800
800
#295760
oklch(42.8% 0.052 212)
-
Step 900
900
#26474E
oklch(37.6% 0.04 212.8)
-
Step 950
950 (this color)
#213438
oklch(31% 0.026 212.2)
#213438 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) | #313338 | 0.024 |
| Deuteranopia (no green cones) | #2D3038 | 0.021 |
| Tritanopia (no blue cones) | #183635 | 0.015 |
| Achromatopsia (no color) | #313131 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213438
#213438
oklch(31% 0.026 212.2)
- #3C2C28
#3C2C28
oklch(31% 0.025 34.4)
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 #213438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.023
- Space Cadet #2B2D42 ΔE 0.037
- Onyx #343A40 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.039
- Midnight Green #073B4C ΔE 0.039
- Jet #212529 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.056
Use #213438 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.