#0C2843
Closest named color: Oxford Blue (#1B263B). oklch(27.1% 0.061 250.4), rgb(12, 40, 67).
Aa
White text reads best on this color (14.99:1).
About this color
#0C2843 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.061 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.021 away. White text reads best on it, at 14.99:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.99:1 |
Values
| HEX | #0C2843 |
| RGB | rgb(12, 40, 67) |
| HSL | hsl(209, 70%, 15%) |
| OKLCH | oklch(27.1% 0.061 250.4) |
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 #0C2843 | 14.99:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0C2843 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0C2843 text on white | 14.99:1 | AAA | Lc 101.7 | Preferred for body text |
| #0C2843 text on black | 1.40:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF3
oklch(88.5% 0.04 249.5)
-
Step 300
300
#9EC5EE
oklch(81% 0.072 250)
-
Step 400
400
#67A5E5
oklch(70.6% 0.114 250.4)
-
Step 500
500
#388DDE
oklch(63.1% 0.147 250.5)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#0F4372
oklch(37.6% 0.096 250.5)
-
Step 950
950 (this color)
#0C2843
oklch(27.1% 0.061 250.4)
#0C2843 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) | #1C2A44 | 0.021 |
| Deuteranopia (no green cones) | #142442 | 0.014 |
| Tritanopia (no blue cones) | #002E32 | 0.044 |
| Achromatopsia (no color) | #272727 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C2843
#0C2843
oklch(27.1% 0.061 250.4)
- #382100
#382100
oklch(27.1% 0.058 71.5)
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 #0C2843, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.021
- Dark #1B2431 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.047
- Jet #212529 ΔE 0.052
- Marine #042E60 ΔE 0.053
- Gunmetal #293241 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.059
Use #0C2843 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.