#223531
Closest named color: Gunmetal (#293241). oklch(31.1% 0.026 179.9), rgb(34, 53, 49).
Aa
White text reads best on this color (12.95:1).
About this color
#223531 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 0.036 away. White text reads best on it, at 12.95:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.95:1 |
Values
| HEX | #223531 |
| RGB | rgb(34, 53, 49) |
| HSL | hsl(167, 22%, 17%) |
| OKLCH | oklch(31.1% 0.026 179.9) |
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 #223531 | 12.95:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #223531 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #223531 text on white | 12.95:1 | AAA | Lc 99.1 | Preferred for body text |
| #223531 text on black | 1.62:1 | 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
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ACC7C1
oklch(80.8% 0.03 180.6)
-
Step 400
400
#80ABA2
oklch(70.7% 0.048 180.5)
-
Step 500
500
#5E968B
oklch(63.1% 0.062 180.4)
-
Step 600
600
#428075
oklch(55.5% 0.067 180.8)
-
Step 700
700
#336C62
oklch(49% 0.062 180.7)
-
Step 800
800
#2B5850
oklch(42.6% 0.052 180.8)
-
Step 900
900
#284942
oklch(37.8% 0.041 178.8)
-
Step 950
950 (this color)
#223531
oklch(31.1% 0.026 179.9)
#223531 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) | #333331 | 0.027 |
| Deuteranopia (no green cones) | #303031 | 0.026 |
| Tritanopia (no blue cones) | #1C3634 | 0.008 |
| Achromatopsia (no color) | #313131 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223531
#223531
oklch(31.1% 0.026 179.9)
- #3C2B30
#3C2B30
oklch(31.1% 0.026 359.4)
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 #223531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.036
- Pakistan Green #283618 ΔE 0.042
- Onyx #343A40 ΔE 0.042
- Midnight Green #073B4C ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Jet #212529 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.063
Use #223531 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.