#223133
Closest named color: Gunmetal (#293241). oklch(30.1% 0.02 206.4), rgb(34, 49, 51).
Aa
White text reads best on this color (13.50:1).
About this color
#223133 is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.028 away. White text reads best on it, at 13.50:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.50:1 |
Values
| HEX | #223133 |
| RGB | rgb(34, 49, 51) |
| HSL | hsl(187, 20%, 17%) |
| OKLCH | oklch(30.1% 0.02 206.4) |
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 #223133 | 13.50:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #223133 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #223133 text on white | 13.50:1 | AAA | Lc 100.0 | Preferred for body text |
| #223133 text on black | 1.55:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B0C5C8
oklch(80.8% 0.023 207.1)
-
Step 400
400
#85A8AC
oklch(70.7% 0.039 204.9)
-
Step 500
500
#669298
oklch(63% 0.049 206.6)
-
Step 600
600
#4C7C83
oklch(55.5% 0.053 207.5)
-
Step 700
700
#3D696F
oklch(49.1% 0.05 206.8)
-
Step 800
800
#33565A
oklch(42.8% 0.041 205)
-
Step 900
900
#2D474A
oklch(37.8% 0.032 205)
-
Step 950
950 (this color)
#223133
oklch(30.1% 0.02 206.4)
#223133 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) | #2F3033 | 0.021 |
| Deuteranopia (no green cones) | #2C2D33 | 0.020 |
| Tritanopia (no blue cones) | #1C3232 | 0.009 |
| Achromatopsia (no color) | #2E2E2E | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223133
#223133
oklch(30.1% 0.02 206.4)
- #382A29
#382A29
oklch(30.1% 0.021 23.1)
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 #223133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.038
- Jet #212529 ΔE 0.041
- Onyx #343A40 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Midnight Green #073B4C ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.049
Use #223133 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.