#23244A
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.069 279.9), rgb(35, 36, 74).
Aa
White text reads best on this color (14.76:1).
About this color
#23244A is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.069 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.033 away. White text reads best on it, at 14.76:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.76:1 |
Values
| HEX | #23244A |
| RGB | rgb(35, 36, 74) |
| HSL | hsl(238, 36%, 21%) |
| OKLCH | oklch(28.1% 0.069 279.9) |
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 #23244A | 14.76:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #23244A | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #23244A text on white | 14.76:1 | AAA | Lc 101.5 | Preferred for body text |
| #23244A text on black | 1.42:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D3D7F7
oklch(88.6% 0.044 279.8)
-
Step 300
300
#B6BBF5
oklch(80.8% 0.082 280.6)
-
Step 400
400
#9196F0
oklch(70.6% 0.131 280.1)
-
Step 500
500
#787AEB
oklch(63.2% 0.166 279.8)
-
Step 600
600
#6360D9
oklch(55.7% 0.18 279.9)
-
Step 700
700
#524EBC
oklch(49.1% 0.168 279.9)
-
Step 800
800
#434198
oklch(42.8% 0.138 279.8)
-
Step 900
900
#383879
oklch(37.7% 0.108 279.9)
-
Step 950
950 (this color)
#23244A
oklch(28.1% 0.069 279.9)
#23244A 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) | #14294B | 0.024 |
| Deuteranopia (no green cones) | #112649 | 0.026 |
| Tritanopia (no blue cones) | #152C33 | 0.060 |
| Achromatopsia (no color) | #282828 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23244A
#23244A
oklch(28.1% 0.069 279.9)
- #302900
#302900
oklch(28% 0.058 99.3)
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 #23244A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.039
- Dark #1B2431 ΔE 0.050
- Marine #042E60 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.054
- Gunmetal #293241 ΔE 0.054
- Jet #212529 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.068
Use #23244A 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.