#00264B
Closest named color: Oxford Blue (#1B263B). oklch(26.7% 0.08 252), rgb(0, 38, 75).
Aa
White text reads best on this color (15.23:1).
About this color
#00264B is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.080 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.039 away. White text reads best on it, at 15.23:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #00264B |
| RGB | rgb(0, 38, 75) |
| HSL | hsl(210, 100%, 15%) |
| OKLCH | oklch(26.7% 0.08 252) |
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 #00264B | 15.23:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #00264B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #00264B text on white | 15.23:1 | AAA | Lc 101.8 | Preferred for body text |
| #00264B text on black | 1.37:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200
#C1DCFC
oklch(88.5% 0.053 252.8)
-
Step 300
300
#94C5FD
oklch(81% 0.095 252.3)
-
Step 400
400
#52A4FC
oklch(70.7% 0.152 252.2)
-
Step 500
500
#008AF6
oklch(63% 0.189 252)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#00427B
oklch(37.7% 0.113 252.1)
-
Step 950
950 (this color)
#00264B
oklch(26.7% 0.08 252)
#00264B 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) | #12294C | 0.020 |
| Deuteranopia (no green cones) | #02224A | 0.013 |
| Tritanopia (no blue cones) | #002F34 | 0.059 |
| Achromatopsia (no color) | #262626 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00264B
#00264B
oklch(26.7% 0.08 252)
- #372000
#372000
oklch(26.7% 0.058 70.9)
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 #00264B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.039
- Marine #042E60 ΔE 0.044
- Dark #1B2431 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.062
- Navy Blue #001146 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.067
- Gunmetal #293241 ΔE 0.070
Use #00264B 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.