#232D40
Closest named color: Space Cadet (#2B2D42). oklch(29.7% 0.037 262.8), rgb(35, 45, 64).
Aa
White text reads best on this color (13.80:1).
About this color
#232D40 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.037 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.014 away. White text reads best on it, at 13.80:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.80:1 |
Values
| HEX | #232D40 |
| RGB | rgb(35, 45, 64) |
| HSL | hsl(219, 29%, 19%) |
| OKLCH | oklch(29.7% 0.037 262.8) |
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 #232D40 | 13.80:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #232D40 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #232D40 text on white | 13.80:1 | AAA | Lc 100.4 | Preferred for body text |
| #232D40 text on black | 1.52:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#89A1CE
oklch(70.7% 0.072 262.8)
-
Step 500
500
#6C89C1
oklch(63.1% 0.091 263)
-
Step 600
600
#5472AD
oklch(55.5% 0.099 263)
-
Step 700
700
#446095
oklch(49.2% 0.092 262.3)
-
Step 800
800
#384E79
oklch(42.6% 0.077 262.9)
-
Step 900
900
#314161
oklch(37.7% 0.059 263.5)
-
Step 950
950 (this color)
#232D40
oklch(29.7% 0.037 262.8)
#232D40 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) | #262E41 | 0.006 |
| Deuteranopia (no green cones) | #232C40 | 0.003 |
| Tritanopia (no blue cones) | #193134 | 0.033 |
| Achromatopsia (no color) | #2D2D2D | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232D40
#232D40
oklch(29.7% 0.037 262.8)
- #362B16
#362B16
oklch(29.6% 0.038 82.6)
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 #232D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.014
- Gunmetal #293241 ΔE 0.020
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.043
- Jet #212529 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.046
- Midnight Green #073B4C ΔE 0.049
Use #232D40 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.