#232B3E
Closest named color: Space Cadet (#2B2D42). oklch(29.1% 0.037 266.5), rgb(35, 43, 62).
Aa
White text reads best on this color (14.12:1).
About this color
#232B3E is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.037 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.017 away. White text reads best on it, at 14.12:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.12:1 |
Values
| HEX | #232B3E |
| RGB | rgb(35, 43, 62) |
| HSL | hsl(222, 28%, 19%) |
| OKLCH | oklch(29.1% 0.037 266.5) |
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 #232B3E | 14.12:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #232B3E | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #232B3E text on white | 14.12:1 | AAA | Lc 100.8 | Preferred for body text |
| #232B3E 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C1DE
oklch(81% 0.043 266.3)
-
Step 400
400
#8DA0CD
oklch(70.7% 0.07 266.8)
-
Step 500
500
#7188C0
oklch(63.1% 0.089 266.8)
-
Step 600
600
#5971AC
oklch(55.6% 0.097 266.5)
-
Step 700
700
#495F94
oklch(49.2% 0.089 266.1)
-
Step 800
800
#3C4D78
oklch(42.6% 0.075 266.8)
-
Step 900
900
#334161
oklch(37.8% 0.058 265.6)
-
Step 950
950 (this color)
#232B3E
oklch(29.1% 0.037 266.5)
#232B3E 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) | #252C3F | 0.005 |
| Deuteranopia (no green cones) | #222A3E | 0.004 |
| Tritanopia (no blue cones) | #1A2F32 | 0.033 |
| Achromatopsia (no color) | #2B2B2B | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B3E
#232B3E
oklch(29.1% 0.037 266.5)
- #332A15
#332A15
oklch(28.9% 0.037 86.9)
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 #232B3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.017
- Oxford Blue #1B263B ΔE 0.022
- Gunmetal #293241 ΔE 0.026
- Dark #1B2431 ΔE 0.034
- Jet #212529 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.053
- Midnight Green #073B4C ΔE 0.055
Use #232B3E 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.