#232644
Closest named color: Oxford Blue (#1B263B). oklch(28.2% 0.055 277.9), rgb(35, 38, 68).
Aa
White text reads best on this color (14.66:1).
About this color
#232644 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.055 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.66:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.66:1 |
Values
| HEX | #232644 |
| RGB | rgb(35, 38, 68) |
| HSL | hsl(235, 32%, 20%) |
| OKLCH | oklch(28.2% 0.055 277.9) |
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 #232644 | 14.66:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #232644 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #232644 text on white | 14.66:1 | AAA | Lc 101.4 | Preferred for body text |
| #232644 text on black | 1.43:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEB
oklch(80.9% 0.065 278.1)
-
Step 400
400
#919AE1
oklch(70.7% 0.104 277.8)
-
Step 500
500
#777FD9
oklch(63% 0.135 277.9)
-
Step 600
600
#6167C6
oklch(55.6% 0.145 277.8)
-
Step 700
700
#5155AB
oklch(49.1% 0.135 278.2)
-
Step 800
800
#42468B
oklch(42.7% 0.112 278)
-
Step 900
900
#373B6F
oklch(37.6% 0.088 277.9)
-
Step 950
950 (this color)
#232644
oklch(28.2% 0.055 277.9)
#232644 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) | #1B2A45 | 0.016 |
| Deuteranopia (no green cones) | #192743 | 0.015 |
| Tritanopia (no blue cones) | #182C31 | 0.049 |
| Achromatopsia (no color) | #282828 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232644
#232644
oklch(28.2% 0.055 277.9)
- #312903
#312903
oklch(28.2% 0.055 96.9)
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 #232644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.029
- Dark #1B2431 ΔE 0.039
- Gunmetal #293241 ΔE 0.044
- Jet #212529 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.053
- Marine #042E60 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.067
Use #232644 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.