#01254D
Closest named color: Oxford Blue (#1B263B). oklch(26.7% 0.084 254.3), rgb(1, 37, 77).
Aa
White text reads best on this color (15.29:1).
About this color
#01254D is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.084 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.043 away. White text reads best on it, at 15.29:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.29:1 |
Values
| HEX | #01254D |
| RGB | rgb(1, 37, 77) |
| HSL | hsl(212, 97%, 15%) |
| OKLCH | oklch(26.7% 0.084 254.3) |
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 #01254D | 15.29:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #01254D | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #01254D text on white | 15.29:1 | AAA | Lc 101.8 | Preferred for body text |
| #01254D 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DDEBFD
oklch(93.5% 0.029 254.7)
-
Step 200
200
#C1DCFE
oklch(88.6% 0.055 254.3)
-
Step 300
300
#95C4FF
oklch(80.9% 0.098 254.5)
-
Step 400
400
#56A3FF
oklch(70.8% 0.155 254.3)
-
Step 500
500
#0387FF
oklch(63% 0.203 254.5)
-
Step 600
600
#0071D8
oklch(55.5% 0.179 254.5)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#004080
oklch(37.6% 0.123 254.7)
-
Step 950
950 (this color)
#01254D
oklch(26.7% 0.084 254.3)
#01254D 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) | #0E294E | 0.019 |
| Deuteranopia (no green cones) | #00224C | 0.010 |
| Tritanopia (no blue cones) | #002F35 | 0.063 |
| Achromatopsia (no color) | #252525 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01254D
#01254D
oklch(26.7% 0.084 254.3)
- #362100
#362100
oklch(26.8% 0.057 74.3)
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 #01254D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.043
- Marine #042E60 ΔE 0.043
- Dark #1B2431 ΔE 0.057
- Navy Blue #001146 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.069
- Midnight Blue #191970 ΔE 0.072
Use #01254D 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.