#23263A
Closest named color: Oxford Blue (#1B263B). oklch(27.5% 0.037 277.1), rgb(35, 38, 58).
Aa
White text reads best on this color (14.89:1).
About this color
#23263A is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.037 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.013 away. White text reads best on it, at 14.89:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.89:1 |
Values
| HEX | #23263A |
| RGB | rgb(35, 38, 58) |
| HSL | hsl(232, 25%, 18%) |
| OKLCH | oklch(27.5% 0.037 277.1) |
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 #23263A | 14.89:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #23263A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #23263A text on white | 14.89:1 | AAA | Lc 101.7 | Preferred for body text |
| #23263A text on black | 1.40:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#B9BFDE
oklch(81% 0.044 276.7)
-
Step 400
400
#959DCD
oklch(70.7% 0.071 277.1)
-
Step 500
500
#7C84C0
oklch(63.1% 0.091 277.6)
-
Step 600
600
#656DAC
oklch(55.5% 0.098 277.2)
-
Step 700
700
#545B94
oklch(49.1% 0.091 277.2)
-
Step 800
800
#454B78
oklch(42.8% 0.075 277)
-
Step 900
900
#3A3E61
oklch(37.6% 0.06 278.1)
-
Step 950
950 (this color)
#23263A
oklch(27.5% 0.037 277.1)
#23263A 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) | #20283B | 0.008 |
| Deuteranopia (no green cones) | #1E263A | 0.008 |
| Tritanopia (no blue cones) | #1D2A2D | 0.033 |
| Achromatopsia (no color) | #272727 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23263A
#23263A
oklch(27.5% 0.037 277.1)
- #2D2811
#2D2811
oklch(27.6% 0.038 97.4)
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 #23263A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.013
- Dark #1B2431 ΔE 0.023
- Space Cadet #2B2D42 ΔE 0.030
- Jet #212529 ΔE 0.032
- Gunmetal #293241 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.070
Use #23263A 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.