#232C5F
Closest named color: Marine (#042E60). oklch(31.5% 0.091 272.6), rgb(35, 44, 95).
Aa
White text reads best on this color (13.14:1).
About this color
#232C5F is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.030 away. White text reads best on it, at 13.14:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #232C5F |
| RGB | rgb(35, 44, 95) |
| HSL | hsl(231, 46%, 25%) |
| OKLCH | oklch(31.5% 0.091 272.6) |
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 #232C5F | 13.14:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #232C5F | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #232C5F text on white | 13.14:1 | AAA | Lc 99.3 | Preferred for body text |
| #232C5F text on black | 1.59:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#6479FF
oklch(63% 0.199 272.7)
-
Step 600
600
#4C58FB
oklch(55.6% 0.238 272.5)
-
Step 700
700
#3F46DB
oklch(49.1% 0.222 272.7)
-
Step 800
800
#333BB1
oklch(42.7% 0.184 272.7)
-
Step 900
900
#2B358C
oklch(37.8% 0.143 272.5)
-
Step 950
950 (this color)
#232C5F
oklch(31.5% 0.091 272.6)
#232C5F 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) | #113361 | 0.026 |
| Deuteranopia (no green cones) | #062E5E | 0.029 |
| Tritanopia (no blue cones) | #003841 | 0.080 |
| Achromatopsia (no color) | #303030 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232C5F
#232C5F
oklch(31.5% 0.091 272.6)
- #3D3000
#3D3000
oklch(31.5% 0.064 92.4)
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 #232C5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.033
- Marine Blue #01386A ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.054
- Midnight Blue #191970 ΔE 0.060
- Gunmetal #293241 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.063
- Midnight Green #073B4C ΔE 0.068
Use #232C5F 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.