#0C2345
Closest named color: Oxford Blue (#1B263B). oklch(25.9% 0.07 258.3), rgb(12, 35, 69).
Aa
White text reads best on this color (15.64:1).
About this color
#0C2345 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 15.64:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.64:1 |
Values
| HEX | #0C2345 |
| RGB | rgb(12, 35, 69) |
| HSL | hsl(216, 70%, 16%) |
| OKLCH | oklch(25.9% 0.07 258.3) |
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 #0C2345 | 15.64:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #0C2345 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0C2345 text on white | 15.64:1 | AAA | Lc 102.4 | Preferred for body text |
| #0C2345 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A0C3F7
oklch(81% 0.083 258.1)
-
Step 400
400
#6BA1F3
oklch(70.7% 0.134 258.5)
-
Step 500
500
#4287EE
oklch(63.1% 0.17 258.4)
-
Step 600
600
#1F6EDC
oklch(55.5% 0.184 258.3)
-
Step 700
700
#115BBF
oklch(49% 0.172 258.4)
-
Step 800
800
#124B9B
oklch(42.7% 0.143 258.4)
-
Step 900
900
#17407B
oklch(37.8% 0.11 258.1)
-
Step 950
950 (this color)
#0C2345
oklch(25.9% 0.07 258.3)
#0C2345 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) | #122646 | 0.013 |
| Deuteranopia (no green cones) | #072144 | 0.009 |
| Tritanopia (no blue cones) | #002B30 | 0.055 |
| Achromatopsia (no color) | #232323 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C2345
#0C2345
oklch(25.9% 0.07 258.3)
- #322000
#322000
oklch(26% 0.054 78.1)
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 #0C2345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Dark #1B2431 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.054
- Marine #042E60 ΔE 0.056
- Navy Blue #001146 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.059
- Jet #212529 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.069
Use #0C2345 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.