#232A70
Closest named color: Marine (#042E60). oklch(32.6% 0.12 273.4), rgb(35, 42, 112).
Aa
White text reads best on this color (12.83:1).
About this color
#232A70 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.120 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.043 away. White text reads best on it, at 12.83:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.63:1 |
| White text | 12.83:1 |
Values
| HEX | #232A70 |
| RGB | rgb(35, 42, 112) |
| HSL | hsl(235, 52%, 29%) |
| OKLCH | oklch(32.6% 0.12 273.4) |
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 #232A70 | 12.83:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #232A70 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #232A70 text on white | 12.83:1 | AAA | Lc 98.6 | Preferred for body text |
| #232A70 text on black | 1.63:1 | 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
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#AEBDFB
oklch(80.9% 0.089 273.7)
-
Step 400
400
#8498F9
oklch(70.6% 0.144 273.4)
-
Step 500
500
#687BF6
oklch(63% 0.183 273.4)
-
Step 600
600
#5260E5
oklch(55.5% 0.2 273.4)
-
Step 700
700
#434FC7
oklch(49.1% 0.185 273.1)
-
Step 800
800
#3741A1
oklch(42.6% 0.154 273.4)
-
Step 900
900 (this color)
#232A70
oklch(32.6% 0.12 273.4)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#232A70 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) | #003572 | 0.037 |
| Deuteranopia (no green cones) | #002F6F | 0.032 |
| Tritanopia (no blue cones) | #003B48 | 0.099 |
| Achromatopsia (no color) | #323232 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232A70
#232A70
oklch(32.6% 0.12 273.4)
- #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 #232A70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.043
- Midnight Blue #191970 ΔE 0.044
- Marine Blue #01386A ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.070
- Royal #0C1793 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.085
- Dark Blue Grey #1F3B4D ΔE 0.087
Use #232A70 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.