#23353B
Closest named color: Gunmetal (#293241). oklch(31.6% 0.026 220.6), rgb(35, 53, 59).
Aa
White text reads best on this color (12.77:1).
About this color
#23353B is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.019 away. White text reads best on it, at 12.77:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #23353B |
| RGB | rgb(35, 53, 59) |
| HSL | hsl(195, 26%, 18%) |
| OKLCH | oklch(31.6% 0.026 220.6) |
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 #23353B | 12.77:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #23353B | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #23353B text on white | 12.77:1 | AAA | Lc 98.8 | Preferred for body text |
| #23353B text on black | 1.64:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#7FA8B6
oklch(70.7% 0.049 220.9)
-
Step 500
500
#5D93A4
oklch(63.2% 0.063 219.9)
-
Step 600
600
#427D8F
oklch(55.7% 0.067 220)
-
Step 700
700
#33697A
oklch(49.1% 0.063 221)
-
Step 800
800
#2B5663
oklch(42.8% 0.052 219.9)
-
Step 900
900
#284751
oklch(37.8% 0.04 220.6)
-
Step 950
950 (this color)
#23353B
oklch(31.6% 0.026 220.6)
#23353B 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) | #31343B | 0.021 |
| Deuteranopia (no green cones) | #2E313B | 0.020 |
| Tritanopia (no blue cones) | #1A3737 | 0.016 |
| Achromatopsia (no color) | #323232 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23353B
#23353B
oklch(31.6% 0.026 220.6)
- #3E2E28
#3E2E28
oklch(31.8% 0.026 41.5)
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 #23353B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.019
- Dark Blue Grey #1F3B4D ΔE 0.033
- Onyx #343A40 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.035
- Midnight Green #073B4C ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.055
- Jet #212529 ΔE 0.057
Use #23353B 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.