#0C2E43
Closest named color: Oxford Blue (#1B263B). oklch(28.8% 0.054 239.9), rgb(12, 46, 67).
Aa
White text reads best on this color (14.11:1).
About this color
#0C2E43 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.054 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 14.11:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.48:1 |
| White text | 14.11:1 |
Values
| HEX | #0C2E43 |
| RGB | rgb(12, 46, 67) |
| HSL | hsl(203, 70%, 15%) |
| OKLCH | oklch(28.8% 0.054 239.9) |
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 #0C2E43 | 14.11:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #0C2E43 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #0C2E43 text on white | 14.11:1 | AAA | Lc 100.6 | Preferred for body text |
| #0C2E43 text on black | 1.48:1 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300
#9BC7E7
oklch(80.9% 0.065 240.2)
-
Step 400
400
#60A9DA
oklch(70.7% 0.103 239.8)
-
Step 500
500
#2692D0
oklch(63% 0.131 240)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#01466A
oklch(37.6% 0.086 240.3)
-
Step 950
950 (this color)
#0C2E43
oklch(28.8% 0.054 239.9)
#0C2E43 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) | #242E44 | 0.028 |
| Deuteranopia (no green cones) | #1D2943 | 0.023 |
| Tritanopia (no blue cones) | #003335 | 0.037 |
| Achromatopsia (no color) | #2B2B2B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C2E43
#0C2E43
oklch(28.8% 0.054 239.9)
- #3E240B
#3E240B
oklch(28.8% 0.054 61.4)
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 #0C2E43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.040
- Dark #1B2431 ΔE 0.042
- Midnight Green #073B4C ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.051
- Jet #212529 ΔE 0.052
Use #0C2E43 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.