#232A45
Closest named color: Space Cadet (#2B2D42). oklch(29.2% 0.05 271.9), rgb(35, 42, 69).
Aa
White text reads best on this color (14.10:1).
About this color
#232A45 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.050 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 14.10:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.10:1 |
Values
| HEX | #232A45 |
| RGB | rgb(35, 42, 69) |
| HSL | hsl(228, 33%, 20%) |
| OKLCH | oklch(29.2% 0.05 271.9) |
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 #232A45 | 14.10:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #232A45 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #232A45 text on white | 14.10:1 | AAA | Lc 100.7 | Preferred for body text |
| #232A45 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300
#B3BFE8
oklch(80.9% 0.06 272.2)
-
Step 400
400
#8B9DDD
oklch(70.7% 0.096 271.7)
-
Step 500
500
#7084D3
oklch(63.2% 0.121 271.8)
-
Step 600
600
#596CC0
oklch(55.7% 0.132 271.9)
-
Step 700
700
#495AA6
oklch(49.2% 0.123 271.7)
-
Step 800
800
#3C4986
oklch(42.6% 0.102 272.3)
-
Step 900
900
#333E6C
oklch(37.8% 0.08 271.9)
-
Step 950
950 (this color)
#232A45
oklch(29.2% 0.05 271.9)
#232A45 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) | #202D46 | 0.010 |
| Deuteranopia (no green cones) | #1D2A44 | 0.009 |
| Tritanopia (no blue cones) | #173034 | 0.046 |
| Achromatopsia (no color) | #2B2B2B | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232A45
#232A45
oklch(29.2% 0.05 271.9)
- #352B0A
#352B0A
oklch(29.3% 0.05 91.9)
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 #232A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Oxford Blue #1B263B ΔE 0.025
- Gunmetal #293241 ΔE 0.032
- Dark #1B2431 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.042
- Jet #212529 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.054
- Marine #042E60 ΔE 0.055
Use #232A45 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.