#23263D
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.043 277.5), rgb(35, 38, 61).
Aa
White text reads best on this color (14.82:1).
About this color
#23263D is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.043 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.014 away. White text reads best on it, at 14.82:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.82:1 |
Values
| HEX | #23263D |
| RGB | rgb(35, 38, 61) |
| HSL | hsl(233, 27%, 19%) |
| OKLCH | oklch(27.7% 0.043 277.5) |
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 #23263D | 14.82:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #23263D | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #23263D text on white | 14.82:1 | AAA | Lc 101.7 | Preferred for body text |
| #23263D text on black | 1.41:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE2
oklch(80.9% 0.051 277.7)
-
Step 400
400
#949CD3
oklch(70.7% 0.081 277.7)
-
Step 500
500
#7A83C7
oklch(63.1% 0.103 277.3)
-
Step 600
600
#646CB4
oklch(55.7% 0.112 277.3)
-
Step 700
700
#53599B
oklch(49% 0.105 277.8)
-
Step 800
800
#44497E
oklch(42.7% 0.088 277.9)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950 (this color)
#23263D
oklch(27.7% 0.043 277.5)
#23263D 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) | #1F293E | 0.011 |
| Deuteranopia (no green cones) | #1D273C | 0.010 |
| Tritanopia (no blue cones) | #1B2A2E | 0.038 |
| Achromatopsia (no color) | #282828 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23263D
#23263D
oklch(27.7% 0.043 277.5)
- #2E280D
#2E280D
oklch(27.7% 0.043 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 #23263D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.014
- Dark #1B2431 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.028
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.062
- Marine #042E60 ΔE 0.068
Use #23263D 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.