#232B6E
Closest named color: Marine (#042E60). oklch(32.6% 0.115 273), rgb(35, 43, 110).
Aa
White text reads best on this color (12.78:1).
About this color
#232B6E is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.115 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.040 away. White text reads best on it, at 12.78:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #232B6E |
| RGB | rgb(35, 43, 110) |
| HSL | hsl(234, 52%, 28%) |
| OKLCH | oklch(32.6% 0.115 273) |
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 #232B6E | 12.78:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #232B6E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #232B6E text on white | 12.78:1 | AAA | Lc 98.6 | Preferred for body text |
| #232B6E text on black | 1.64:1 | 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 900.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#AEBDF9
oklch(80.8% 0.087 273.5)
-
Step 400
400
#8599F6
oklch(70.7% 0.138 273.2)
-
Step 500
500
#687CF3
oklch(63% 0.178 273.1)
-
Step 600
600
#5262E1
oklch(55.5% 0.192 273)
-
Step 700
700
#4350C4
oklch(49.1% 0.18 273)
-
Step 800
800
#37439E
oklch(42.8% 0.147 272.9)
-
Step 900
900 (this color)
#232B6E
oklch(32.6% 0.115 273)
-
Step 950
950
#1B224A
oklch(27% 0.074 273)
#232B6E 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) | #003670 | 0.038 |
| Deuteranopia (no green cones) | #002F6D | 0.031 |
| Tritanopia (no blue cones) | #003B48 | 0.095 |
| Achromatopsia (no color) | #323232 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232B6E
#232B6E
oklch(32.6% 0.115 273)
- #403300
#403300
oklch(32.6% 0.067 93.2)
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 #232B6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.040
- Marine Blue #01386A ΔE 0.043
- Midnight Blue #191970 ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.068
- Royal #0C1793 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.083
Use #232B6E 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.