#18264F
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.077 267.2), rgb(24, 38, 79).
Aa
White text reads best on this color (14.69:1).
About this color
#18264F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.077 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.037 away. White text reads best on it, at 14.69:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.69:1 |
Values
| HEX | #18264F |
| RGB | rgb(24, 38, 79) |
| HSL | hsl(225, 53%, 20%) |
| OKLCH | oklch(28.1% 0.077 267.2) |
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 #18264F | 14.69:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #18264F | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #18264F text on white | 14.69:1 | AAA | Lc 101.3 | Preferred for body text |
| #18264F 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A6BFFD
oklch(80.8% 0.092 267.4)
-
Step 400
400
#789CFC
oklch(70.8% 0.146 267.1)
-
Step 500
500
#577FF9
oklch(63.1% 0.187 267.2)
-
Step 600
600
#3F65E8
oklch(55.7% 0.203 267.1)
-
Step 700
700
#3152CA
oklch(49% 0.19 267.1)
-
Step 800
800
#2944A3
oklch(42.6% 0.157 267.2)
-
Step 900
900
#253B82
oklch(37.8% 0.123 267.3)
-
Step 950
950 (this color)
#18264F
oklch(28.1% 0.077 267.2)
#18264F 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) | #112B51 | 0.016 |
| Deuteranopia (no green cones) | #07264E | 0.018 |
| Tritanopia (no blue cones) | #002F36 | 0.065 |
| Achromatopsia (no color) | #282828 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18264F
#18264F
oklch(28.1% 0.077 267.2)
- #352700
#352700
oklch(28.1% 0.058 87.9)
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 #18264F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.037
- Marine #042E60 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.049
- Dark #1B2431 ΔE 0.055
- Gunmetal #293241 ΔE 0.059
- Marine Blue #01386A ΔE 0.067
- Midnight Blue #191970 ΔE 0.067
Use #18264F 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.