#232E4B
Closest named color: Space Cadet (#2B2D42). oklch(30.6% 0.055 267.4), rgb(35, 46, 75).
Aa
White text reads best on this color (13.42:1).
About this color
#232E4B is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.055 and its hue 267°. 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 13.42:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.42:1 |
Values
| HEX | #232E4B |
| RGB | rgb(35, 46, 75) |
| HSL | hsl(224, 36%, 22%) |
| OKLCH | oklch(30.6% 0.055 267.4) |
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 #232E4B | 13.42:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #232E4B | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #232E4B text on white | 13.42:1 | AAA | Lc 99.8 | Preferred for body text |
| #232E4B text on black | 1.56:1 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0EC
oklch(80.9% 0.066 267.5)
-
Step 400
400
#849EE2
oklch(70.6% 0.104 267.7)
-
Step 500
500
#6685D9
oklch(63.1% 0.132 267.3)
-
Step 600
600
#4E6DC7
oklch(55.6% 0.144 267.3)
-
Step 700
700
#3F5AAC
oklch(49% 0.135 267.6)
-
Step 800
800
#344A8B
oklch(42.6% 0.111 267.5)
-
Step 900
900
#2D3F6F
oklch(37.8% 0.085 266.8)
-
Step 950
950 (this color)
#232E4B
oklch(30.6% 0.055 267.4)
#232E4B 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) | #23314C | 0.010 |
| Deuteranopia (no green cones) | #1F2D4A | 0.007 |
| Tritanopia (no blue cones) | #133439 | 0.048 |
| Achromatopsia (no color) | #2F2F2F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232E4B
#232E4B
oklch(30.6% 0.055 267.4)
- #3B2D09
#3B2D09
oklch(30.5% 0.054 86.8)
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 #232E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Gunmetal #293241 ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.047
- Marine #042E60 ΔE 0.047
- Dark #1B2431 ΔE 0.056
Use #232E4B 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.