#232C4F
Closest named color: Space Cadet (#2B2D42). oklch(30.4% 0.064 271.2), rgb(35, 44, 79).
Aa
White text reads best on this color (13.59:1).
About this color
#232C4F is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.064 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 13.59:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.59:1 |
Values
| HEX | #232C4F |
| RGB | rgb(35, 44, 79) |
| HSL | hsl(228, 39%, 22%) |
| OKLCH | oklch(30.4% 0.064 271.2) |
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 #232C4F | 13.59:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #232C4F | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #232C4F text on white | 13.59:1 | AAA | Lc 100.0 | Preferred for body text |
| #232C4F text on black | 1.54:1 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AEBFF3
oklch(81% 0.076 270.6)
-
Step 400
400
#859BED
oklch(70.6% 0.123 271.5)
-
Step 500
500
#6880E7
oklch(63% 0.157 271.4)
-
Step 600
600
#5167D5
oklch(55.5% 0.17 271.3)
-
Step 700
700
#4255B9
oklch(49.1% 0.158 271.3)
-
Step 800
800
#364695
oklch(42.6% 0.13 271.2)
-
Step 900
900
#2F3C77
oklch(37.8% 0.101 271.4)
-
Step 950
950 (this color)
#232C4F
oklch(30.4% 0.064 271.2)
#232C4F 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) | #1E3050 | 0.013 |
| Deuteranopia (no green cones) | #1A2C4E | 0.013 |
| Tritanopia (no blue cones) | #103339 | 0.057 |
| Achromatopsia (no color) | #2E2E2E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232C4F
#232C4F
oklch(30.4% 0.064 271.2)
- #3A2D00
#3A2D00
oklch(30.3% 0.062 91.5)
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 #232C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.029
- Gunmetal #293241 ΔE 0.038
- Marine #042E60 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.050
- Midnight Green #073B4C ΔE 0.054
- Marine Blue #01386A ΔE 0.058
Use #232C4F 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.