#02273C
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.056 239.1), rgb(2, 39, 60).
Aa
White text reads best on this color (15.46:1).
About this color
#02273C is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.056 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.026 away. White text reads best on it, at 15.46:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.46:1 |
Values
| HEX | #02273C |
| RGB | rgb(2, 39, 60) |
| HSL | hsl(202, 94%, 12%) |
| OKLCH | oklch(26% 0.056 239.1) |
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 #02273C | 15.46:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #02273C | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #02273C text on white | 15.46:1 | AAA | Lc 102.1 | Preferred for body text |
| #02273C 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDEF
oklch(88.5% 0.036 239.2)
-
Step 300
300
#99C7E7
oklch(80.8% 0.066 239)
-
Step 400
400
#5CA9DC
oklch(70.6% 0.107 239.7)
-
Step 500
500
#1993D2
oklch(63.1% 0.136 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950 (this color)
#02273C
oklch(26% 0.056 239.1)
#02273C 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) | #1D273D | 0.030 |
| Deuteranopia (no green cones) | #15223C | 0.023 |
| Tritanopia (no blue cones) | #002C2E | 0.037 |
| Achromatopsia (no color) | #242424 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02273C
#02273C
oklch(26% 0.056 239.1)
- #371C03
#371C03
oklch(25.9% 0.056 59.8)
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 #02273C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.026
- Dark #1B2431 ΔE 0.031
- Jet #212529 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.064
- Marine #042E60 ΔE 0.068
- Midnight Green #073B4C ΔE 0.071
Use #02273C 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.