#01224A
Closest named color: Oxford Blue (#1B263B). oklch(25.6% 0.084 255.5), rgb(1, 34, 74).
Aa
White text reads best on this color (15.80:1).
About this color
#01224A is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.084 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.044 away. White text reads best on it, at 15.80:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.80:1 |
Values
| HEX | #01224A |
| RGB | rgb(1, 34, 74) |
| HSL | hsl(213, 97%, 15%) |
| OKLCH | oklch(25.6% 0.084 255.5) |
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 #01224A | 15.80:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #01224A | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #01224A text on white | 15.80:1 | AAA | Lc 102.4 | Preferred for body text |
| #01224A text on black | 1.32:1 | 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
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFE
oklch(88.4% 0.055 256.8)
-
Step 300
300
#96C4FF
oklch(81% 0.097 254.9)
-
Step 400
400
#59A2FF
oklch(70.7% 0.155 255.4)
-
Step 500
500
#1787FF
oklch(63.2% 0.201 255.3)
-
Step 600
600
#0070DC
oklch(55.6% 0.186 255.4)
-
Step 700
700
#005EBB
oklch(49.1% 0.165 255.5)
-
Step 800
800
#004D9B
oklch(42.8% 0.143 255.4)
-
Step 900
900
#004082
oklch(37.8% 0.125 255.2)
-
Step 950
950 (this color)
#01224A
oklch(25.6% 0.084 255.5)
#01224A 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) | #09264B | 0.016 |
| Deuteranopia (no green cones) | #002049 | 0.007 |
| Tritanopia (no blue cones) | #002C32 | 0.063 |
| Achromatopsia (no color) | #232323 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01224A
#01224A
oklch(25.6% 0.084 255.5)
- #321F00
#321F00
oklch(25.7% 0.054 76)
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 #01224A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.044
- Navy Blue #001146 ΔE 0.051
- Marine #042E60 ΔE 0.053
- Dark #1B2431 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.062
- Dark Indigo #1F0954 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.071
- Darkblue #030764 ΔE 0.072
Use #01224A 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.