#232A4F
Closest named color: Space Cadet (#2B2D42). oklch(29.9% 0.068 273.6), rgb(35, 42, 79).
Aa
White text reads best on this color (13.85:1).
About this color
#232A4F is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.068 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.031 away. White text reads best on it, at 13.85:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.85:1 |
Values
| HEX | #232A4F |
| RGB | rgb(35, 42, 79) |
| HSL | hsl(230, 39%, 22%) |
| OKLCH | oklch(29.9% 0.068 273.6) |
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 #232A4F | 13.85:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #232A4F | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #232A4F text on white | 13.85:1 | AAA | Lc 100.4 | Preferred for body text |
| #232A4F 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#B0BEF5
oklch(81% 0.079 273.4)
-
Step 400
400
#879AF0
oklch(70.7% 0.128 273.3)
-
Step 500
500
#6C7EEB
oklch(63.1% 0.164 273.7)
-
Step 600
600
#5564D9
oklch(55.5% 0.178 273.6)
-
Step 700
700
#4652BC
oklch(49% 0.165 273.7)
-
Step 800
800
#394498
oklch(42.6% 0.137 273.5)
-
Step 900
900
#313A79
oklch(37.6% 0.107 274)
-
Step 950
950 (this color)
#232A4F
oklch(29.9% 0.068 273.6)
#232A4F 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) | #1B2F50 | 0.018 |
| Deuteranopia (no green cones) | #162B4E | 0.018 |
| Tritanopia (no blue cones) | #103238 | 0.061 |
| Achromatopsia (no color) | #2D2D2D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232A4F
#232A4F
oklch(29.9% 0.068 273.6)
- #382C00
#382C00
oklch(29.8% 0.061 92.6)
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 #232A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.040
- Marine #042E60 ΔE 0.041
- Gunmetal #293241 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.056
- Dark #1B2431 ΔE 0.058
- Midnight Green #073B4C ΔE 0.060
Use #232A4F 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.