#022543
Closest named color: Oxford Blue (#1B263B). oklch(25.9% 0.068 249.1), rgb(2, 37, 67).
Aa
White text reads best on this color (15.57:1).
About this color
#022543 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.068 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 15.57:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.57:1 |
Values
| HEX | #022543 |
| RGB | rgb(2, 37, 67) |
| HSL | hsl(208, 94%, 14%) |
| OKLCH | oklch(25.9% 0.068 249.1) |
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 #022543 | 15.57:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #022543 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #022543 text on white | 15.57:1 | AAA | Lc 102.2 | Preferred for body text |
| #022543 text on black | 1.34:1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C3DCF6
oklch(88.4% 0.045 249.4)
-
Step 300
300
#98C5F3
oklch(80.8% 0.081 249.4)
-
Step 400
400
#5AA6EE
oklch(70.7% 0.13 249)
-
Step 500
500
#198DE8
oklch(63% 0.166 249.1)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950 (this color)
#022543
oklch(25.9% 0.068 249.1)
#022543 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) | #162744 | 0.022 |
| Deuteranopia (no green cones) | #0B2142 | 0.014 |
| Tritanopia (no blue cones) | #002C30 | 0.049 |
| Achromatopsia (no color) | #242424 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #022543
#022543
oklch(25.9% 0.068 249.1)
- #351E00
#351E00
oklch(25.9% 0.056 69.5)
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 #022543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Dark #1B2431 ΔE 0.041
- Rich Black #0D1B2A ΔE 0.053
- Marine #042E60 ΔE 0.058
- Jet #212529 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.061
- Navy Blue #001146 ΔE 0.062
- Gunmetal #293241 ΔE 0.069
Use #022543 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.