#232B48
Closest named color: Space Cadet (#2B2D42). oklch(29.7% 0.054 271.1), rgb(35, 43, 72).
Aa
White text reads best on this color (13.90:1).
About this color
#232B48 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.054 and its hue 271°. 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 13.90:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.90:1 |
Values
| HEX | #232B48 |
| RGB | rgb(35, 43, 72) |
| HSL | hsl(227, 35%, 21%) |
| OKLCH | oklch(29.7% 0.054 271.1) |
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 #232B48 | 13.90:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #232B48 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #232B48 text on white | 13.90:1 | AAA | Lc 100.5 | Preferred for body text |
| #232B48 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F1
oklch(88.4% 0.035 271.5)
-
Step 300
300
#B1BFEB
oklch(80.9% 0.064 271.1)
-
Step 400
400
#899DE1
oklch(70.7% 0.102 271.1)
-
Step 500
500
#6D83D8
oklch(63.1% 0.13 271.3)
-
Step 600
600
#566BC6
oklch(55.6% 0.143 271.3)
-
Step 700
700
#4659AB
oklch(49.1% 0.132 271)
-
Step 800
800
#3A498A
oklch(42.7% 0.109 271.4)
-
Step 900
900
#313E6F
oklch(37.8% 0.085 270.7)
-
Step 950
950 (this color)
#232B48
oklch(29.7% 0.054 271.1)
#232B48 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) | #202E49 | 0.010 |
| Deuteranopia (no green cones) | #1D2B47 | 0.009 |
| Tritanopia (no blue cones) | #153136 | 0.048 |
| Achromatopsia (no color) | #2C2C2C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B48
#232B48
oklch(29.7% 0.054 271.1)
- #372C07
#372C07
oklch(29.7% 0.054 91.8)
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 #232B48, 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 0.031
- Gunmetal #293241 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.037
- Dark #1B2431 ΔE 0.048
- Marine #042E60 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.051
- Midnight Green #073B4C ΔE 0.054
Use #232B48 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.