#232B3D
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.035 265.8), rgb(35, 43, 61).
Aa
White text reads best on this color (14.14:1).
About this color
#232B3D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.035 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 14.14:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.14:1 |
Values
| HEX | #232B3D |
| RGB | rgb(35, 43, 61) |
| HSL | hsl(222, 27%, 19%) |
| OKLCH | oklch(29% 0.035 265.8) |
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 #232B3D | 14.14:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #232B3D | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #232B3D text on white | 14.14:1 | AAA | Lc 100.8 | Preferred for body text |
| #232B3D text on black | 1.48:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DC
oklch(81% 0.041 265)
-
Step 400
400
#8DA0CB
oklch(70.7% 0.067 266.1)
-
Step 500
500
#7188BD
oklch(63% 0.085 266)
-
Step 600
600
#5A72AA
oklch(55.7% 0.092 265.8)
-
Step 700
700
#495F92
oklch(49.1% 0.087 265.6)
-
Step 800
800
#3C4E76
oklch(42.7% 0.071 265.1)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950 (this color)
#232B3D
oklch(29% 0.035 265.8)
#232B3D 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) | #252C3E | 0.005 |
| Deuteranopia (no green cones) | #222A3D | 0.004 |
| Tritanopia (no blue cones) | #1B2F31 | 0.032 |
| Achromatopsia (no color) | #2B2B2B | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B3D
#232B3D
oklch(29% 0.035 265.8)
- #332A16
#332A16
oklch(28.9% 0.035 86)
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 #232B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Oxford Blue #1B263B ΔE 0.022
- Gunmetal #293241 ΔE 0.026
- Dark #1B2431 ΔE 0.033
- Jet #212529 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.054
- Midnight Green #073B4C ΔE 0.055
Use #232B3D 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.