#232B35
Closest named color: Jet (#212529). oklch(28.6% 0.022 254.2), rgb(35, 43, 53).
Aa
White text reads best on this color (14.30:1).
About this color
#232B35 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.30:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.30:1 |
Values
| HEX | #232B35 |
| RGB | rgb(35, 43, 53) |
| HSL | hsl(213, 20%, 17%) |
| OKLCH | oklch(28.6% 0.022 254.2) |
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 #232B35 | 14.30:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #232B35 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #232B35 text on white | 14.30:1 | AAA | Lc 101.0 | Preferred for body text |
| #232B35 text on black | 1.46:1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C2D1
oklch(80.9% 0.025 254)
-
Step 400
400
#8FA2BA
oklch(70.6% 0.041 254.4)
-
Step 500
500
#748CA9
oklch(63.2% 0.052 253.4)
-
Step 600
600
#5C7594
oklch(55.5% 0.057 254.1)
-
Step 700
700
#4C627F
oklch(49% 0.054 255.5)
-
Step 800
800
#3E5067
oklch(42.6% 0.045 254.8)
-
Step 900
900
#354354
oklch(37.8% 0.034 253.6)
-
Step 950
950 (this color)
#232B35
oklch(28.6% 0.022 254.2)
#232B35 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) | #272B35 | 0.007 |
| Deuteranopia (no green cones) | #252935 | 0.007 |
| Tritanopia (no blue cones) | #1E2D2E | 0.019 |
| Achromatopsia (no color) | #2A2A2A | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B35
#232B35
oklch(28.6% 0.022 254.2)
- #31291E
#31291E
oklch(28.6% 0.022 75.5)
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 #232B35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.028
- Dark #1B2431 ΔE 0.029
- Gunmetal #293241 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.059
- Midnight Green #073B4C ΔE 0.060
- Onyx #343A40 ΔE 0.060
Use #232B35 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.