#18264C
Closest named color: Oxford Blue (#1B263B). oklch(27.9% 0.073 266.5), rgb(24, 38, 76).
Aa
White text reads best on this color (14.78:1).
About this color
#18264C is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.073 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.032 away. White text reads best on it, at 14.78:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #18264C |
| RGB | rgb(24, 38, 76) |
| HSL | hsl(224, 52%, 20%) |
| OKLCH | oklch(27.9% 0.073 266.5) |
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 #18264C | 14.78:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #18264C | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #18264C text on white | 14.78:1 | AAA | Lc 101.5 | Preferred for body text |
| #18264C 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A7C0F9
oklch(80.9% 0.086 266.1)
-
Step 400
400
#799DF6
oklch(70.8% 0.137 266.3)
-
Step 500
500
#5881F2
oklch(63% 0.175 266.4)
-
Step 600
600
#4067E1
oklch(55.5% 0.191 266.7)
-
Step 700
700
#3255C4
oklch(49.1% 0.178 266.5)
-
Step 800
800
#2A469E
oklch(42.6% 0.147 266.7)
-
Step 900
900
#253C7E
oklch(37.7% 0.115 266.4)
-
Step 950
950 (this color)
#18264C
oklch(27.9% 0.073 266.5)
#18264C 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) | #142A4D | 0.013 |
| Deuteranopia (no green cones) | #0C264B | 0.014 |
| Tritanopia (no blue cones) | #002F35 | 0.063 |
| Achromatopsia (no color) | #282828 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18264C
#18264C
oklch(27.9% 0.073 266.5)
- #352600
#352600
oklch(27.9% 0.057 86)
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 #18264C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.032
- Marine #042E60 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.045
- Dark #1B2431 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.050
- Gunmetal #293241 ΔE 0.056
- Jet #212529 ΔE 0.066
- Midnight Green #073B4C ΔE 0.069
Use #18264C 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.