#0D2742
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.06 251.8), rgb(13, 39, 66).
Aa
White text reads best on this color (15.15:1).
About this color
#0D2742 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.060 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 15.15:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.15:1 |
Values
| HEX | #0D2742 |
| RGB | rgb(13, 39, 66) |
| HSL | hsl(211, 67%, 15%) |
| OKLCH | oklch(26.8% 0.06 251.8) |
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 #0D2742 | 15.15:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #0D2742 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #0D2742 text on white | 15.15:1 | AAA | Lc 101.9 | Preferred for body text |
| #0D2742 text on black | 1.38:1 | 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
#C7DCF3
oklch(88.6% 0.039 250.7)
-
Step 300
300
#A0C4EE
oklch(80.9% 0.071 252.6)
-
Step 400
400
#6AA5E5
oklch(70.8% 0.113 251.5)
-
Step 500
500
#3E8CDD
oklch(63% 0.144 251.9)
-
Step 600
600
#1375CB
oklch(55.7% 0.157 251.5)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#09508E
oklch(42.7% 0.121 251.6)
-
Step 900
900
#144372
oklch(37.8% 0.095 251.9)
-
Step 950
950 (this color)
#0D2742
oklch(26.8% 0.06 251.8)
#0D2742 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) | #1B2943 | 0.019 |
| Deuteranopia (no green cones) | #132441 | 0.011 |
| Tritanopia (no blue cones) | #002D31 | 0.045 |
| Achromatopsia (no color) | #262626 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D2742
#0D2742
oklch(26.8% 0.06 251.8)
- #372000
#372000
oklch(26.7% 0.058 70.9)
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 #0D2742, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Dark #1B2431 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.049
- Jet #212529 ΔE 0.051
- Marine #042E60 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.056
- Gunmetal #293241 ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.060
Use #0D2742 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.