#232D3C
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.031 258.3), rgb(35, 45, 60).
Aa
White text reads best on this color (13.88:1).
About this color
#232D3C is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.031 and its hue 258°. 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 13.88:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.88:1 |
Values
| HEX | #232D3C |
| RGB | rgb(35, 45, 60) |
| HSL | hsl(216, 26%, 19%) |
| OKLCH | oklch(29.5% 0.031 258.3) |
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 #232D3C | 13.88:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #232D3C | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #232D3C text on white | 13.88:1 | AAA | Lc 100.5 | Preferred for body text |
| #232D3C text on black | 1.51:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400
#8AA2C5
oklch(70.6% 0.058 257.7)
-
Step 500
500
#6E8BB7
oklch(63.2% 0.075 258.6)
-
Step 600
600
#5574A3
oklch(55.5% 0.082 258.5)
-
Step 700
700
#46628B
oklch(49.2% 0.074 257.8)
-
Step 800
800
#395071
oklch(42.7% 0.062 257.4)
-
Step 900
900
#31425B
oklch(37.6% 0.048 257.9)
-
Step 950
950 (this color)
#232D3C
oklch(29.5% 0.031 258.3)
#232D3C 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) | #282E3D | 0.009 |
| Deuteranopia (no green cones) | #252B3C | 0.007 |
| Tritanopia (no blue cones) | #1B3032 | 0.027 |
| Achromatopsia (no color) | #2C2C2C | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232D3C
#232D3C
oklch(29.5% 0.031 258.3)
- #352B1B
#352B1B
oklch(29.6% 0.031 78.9)
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 #232D3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Gunmetal #293241 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.037
- Jet #212529 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.050
- Midnight Green #073B4C ΔE 0.050
Use #232D3C 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.