#223333
Closest named color: Gunmetal (#293241). oklch(30.6% 0.022 196), rgb(34, 51, 51).
Aa
White text reads best on this color (13.21:1).
About this color
#223333 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.030 away. White text reads best on it, at 13.21:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #223333 |
| RGB | rgb(34, 51, 51) |
| HSL | hsl(180, 20%, 17%) |
| OKLCH | oklch(30.6% 0.022 196) |
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 #223333 | 13.21:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #223333 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #223333 text on white | 13.21:1 | AAA | Lc 99.5 | Preferred for body text |
| #223333 text on black | 1.58:1 | 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
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C6
oklch(80.9% 0.026 196.6)
-
Step 400
400
#82A9A9
oklch(70.6% 0.042 196.2)
-
Step 500
500
#629494
oklch(63.1% 0.054 195.9)
-
Step 600
600
#477E7F
oklch(55.6% 0.058 197.1)
-
Step 700
700
#386A6B
oklch(49% 0.054 197.2)
-
Step 800
800
#2F5757
oklch(42.8% 0.045 195.6)
-
Step 900
900
#2A4848
oklch(37.8% 0.036 195.7)
-
Step 950
950 (this color)
#223333
oklch(30.6% 0.022 196)
#223333 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) | #313133 | 0.024 |
| Deuteranopia (no green cones) | #2E2F33 | 0.022 |
| Tritanopia (no blue cones) | #1C3433 | 0.008 |
| Achromatopsia (no color) | #303030 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223333
#223333
oklch(30.6% 0.022 196)
- #3A2B2B
#3A2B2B
oklch(30.6% 0.022 18.4)
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 #223333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.042
- Onyx #343A40 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.047
- Jet #212529 ΔE 0.048
- Pakistan Green #283618 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
Use #223333 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.