#232D39
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.026 253.3), rgb(35, 45, 57).
Aa
White text reads best on this color (13.94:1).
About this color
#232D39 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.022 away. White text reads best on it, at 13.94:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #232D39 |
| RGB | rgb(35, 45, 57) |
| HSL | hsl(213, 24%, 18%) |
| OKLCH | oklch(29.3% 0.026 253.3) |
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 #232D39 | 13.94:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #232D39 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #232D39 text on white | 13.94:1 | AAA | Lc 100.6 | Preferred for body text |
| #232D39 text on black | 1.50:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B3C2D5
oklch(80.9% 0.032 254.3)
-
Step 400
400
#8BA3BF
oklch(70.7% 0.049 252.5)
-
Step 500
500
#6F8CAF
oklch(63.1% 0.062 253.4)
-
Step 600
600
#56769B
oklch(55.6% 0.069 252.6)
-
Step 700
700
#476384
oklch(49.2% 0.063 253.1)
-
Step 800
800
#3A516B
oklch(42.7% 0.052 252.1)
-
Step 900
900
#324357
oklch(37.7% 0.041 252.9)
-
Step 950
950 (this color)
#232D39
oklch(29.3% 0.026 253.3)
#232D39 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) | #292D3A | 0.010 |
| Deuteranopia (no green cones) | #262B39 | 0.008 |
| Tritanopia (no blue cones) | #1C3031 | 0.023 |
| Achromatopsia (no color) | #2C2C2C | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232D39
#232D39
oklch(29.3% 0.026 253.3)
- #342A1E
#342A1E
oklch(29.3% 0.025 71.7)
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 #232D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.022
- Gunmetal #293241 ΔE 0.023
- Oxford Blue #1B263B ΔE 0.030
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.051
- Midnight Green #073B4C ΔE 0.052
- Onyx #343A40 ΔE 0.054
Use #232D39 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.