#04263F
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.06 245.3), rgb(4, 38, 63).
Aa
White text reads best on this color (15.50:1).
About this color
#04263F is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.060 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 15.50:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #04263F |
| RGB | rgb(4, 38, 63) |
| HSL | hsl(205, 88%, 13%) |
| OKLCH | oklch(26% 0.06 245.3) |
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 #04263F | 15.50:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #04263F | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #04263F text on white | 15.50:1 | AAA | Lc 102.2 | Preferred for body text |
| #04263F text on black | 1.35:1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DDF2
oklch(88.6% 0.039 243.5)
-
Step 300
300
#9AC6EC
oklch(80.8% 0.071 244.9)
-
Step 400
400
#5FA7E3
oklch(70.6% 0.114 245.5)
-
Step 500
500
#2590DB
oklch(63.1% 0.146 245.2)
-
Step 600
600
#0079C0
oklch(55.7% 0.141 245.3)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950 (this color)
#04263F
oklch(26% 0.06 245.3)
#04263F 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) | #1A2740 | 0.024 |
| Deuteranopia (no green cones) | #11223F | 0.017 |
| Tritanopia (no blue cones) | #002C2F | 0.042 |
| Achromatopsia (no color) | #242424 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04263F
#04263F
oklch(26% 0.06 245.3)
- #371D00
#371D00
oklch(26% 0.058 64.9)
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 #04263F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.034
- Rich Black #0D1B2A ΔE 0.049
- Jet #212529 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.058
- Marine #042E60 ΔE 0.063
- Gunmetal #293241 ΔE 0.065
- Navy Blue #001146 ΔE 0.069
Use #04263F 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.