#232A42
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.045 271), rgb(35, 42, 66).
Aa
White text reads best on this color (14.17:1).
About this color
#232A42 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.045 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 14.17:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.17:1 |
Values
| HEX | #232A42 |
| RGB | rgb(35, 42, 66) |
| HSL | hsl(226, 31%, 20%) |
| OKLCH | oklch(29% 0.045 271) |
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 #232A42 | 14.17:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #232A42 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #232A42 text on white | 14.17:1 | AAA | Lc 100.8 | Preferred for body text |
| #232A42 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF5
oklch(93.7% 0.015 270)
-
Step 200
200
#D2D9ED
oklch(88.6% 0.029 270.4)
-
Step 300
300
#B4BFE4
oklch(80.8% 0.054 272.1)
-
Step 400
400
#8D9ED7
oklch(70.8% 0.086 271.3)
-
Step 500
500
#7185CC
oklch(63.1% 0.11 271)
-
Step 600
600
#5A6EB9
oklch(55.7% 0.119 270.9)
-
Step 700
700
#4A5B9F
oklch(49% 0.111 271.2)
-
Step 800
800
#3D4B81
oklch(42.8% 0.091 271.1)
-
Step 900
900
#343F67
oklch(37.8% 0.07 271.1)
-
Step 950
950 (this color)
#232A42
oklch(29% 0.045 271)
#232A42 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) | #222C43 | 0.006 |
| Deuteranopia (no green cones) | #1F2A41 | 0.007 |
| Tritanopia (no blue cones) | #192F33 | 0.040 |
| Achromatopsia (no color) | #2B2B2B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232A42
#232A42
oklch(29% 0.045 271)
- #342A0E
#342A0E
oklch(28.9% 0.045 89.6)
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 #232A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Oxford Blue #1B263B ΔE 0.022
- Gunmetal #293241 ΔE 0.030
- Dark #1B2431 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.046
- Jet #212529 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.055
- Midnight Green #073B4C ΔE 0.057
Use #232A42 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.