#232A75
Closest named color: Midnight Blue (#191970). oklch(33% 0.127 273.1), rgb(35, 42, 117).
Aa
White text reads best on this color (12.65:1).
About this color
#232A75 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.127 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.045 away. White text reads best on it, at 12.65:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.65:1 |
| White text | 12.65:1 |
Values
| HEX | #232A75 |
| RGB | rgb(35, 42, 117) |
| HSL | hsl(235, 54%, 30%) |
| OKLCH | oklch(33% 0.127 273.1) |
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 #232A75 | 12.65:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #232A75 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #232A75 text on white | 12.65:1 | AAA | Lc 98.2 | Preferred for body text |
| #232A75 text on black | 1.65:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#667AFD
oklch(63.2% 0.194 273)
-
Step 600
600
#505EEC
oklch(55.6% 0.212 273.1)
-
Step 700
700
#424CCD
oklch(49% 0.197 273.2)
-
Step 800
800
#3640A6
oklch(42.8% 0.162 273.1)
-
Step 900
900 (this color)
#232A75
oklch(33% 0.127 273.1)
-
Step 950
950
#1A214D
oklch(26.9% 0.081 272.9)
#232A75 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) | #003777 | 0.040 |
| Deuteranopia (no green cones) | #002F74 | 0.031 |
| Tritanopia (no blue cones) | #003D4B | 0.104 |
| Achromatopsia (no color) | #333333 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232A75
#232A75
oklch(33% 0.127 273.1)
- #413400
#413400
oklch(33% 0.068 93.5)
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 #232A75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.045
- Marine #042E60 ΔE 0.049
- Marine Blue #01386A ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.065
- Royal #0C1793 ΔE 0.068
- Twilight Blue #0A437A ΔE 0.068
- Dark Blue #00008B ΔE 0.088
- Navy #000080 ΔE 0.088
Use #232A75 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.