#0D3041
Closest named color: Oxford Blue (#1B263B). oklch(29.3% 0.05 233.4), rgb(13, 48, 65).
Aa
White text reads best on this color (13.85:1).
About this color
#0D3041 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.050 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 13.85:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.51:1 |
| White text | 13.85:1 |
Values
| HEX | #0D3041 |
| RGB | rgb(13, 48, 65) |
| HSL | hsl(200, 67%, 15%) |
| OKLCH | oklch(29.3% 0.05 233.4) |
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 #0D3041 | 13.85:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #0D3041 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #0D3041 text on white | 13.85:1 | AAA | Lc 100.3 | Preferred for body text |
| #0D3041 text on black | 1.51:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C5DDEC
oklch(88.4% 0.033 235.2)
-
Step 300
300
#9BC8E1
oklch(80.9% 0.059 232.8)
-
Step 400
400
#5FABD2
oklch(70.7% 0.095 232.6)
-
Step 500
500
#2395C7
oklch(63.2% 0.121 233.3)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950 (this color)
#0D3041
oklch(29.3% 0.05 233.4)
#0D3041 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) | #282F42 | 0.033 |
| Deuteranopia (no green cones) | #212A41 | 0.028 |
| Tritanopia (no blue cones) | #003536 | 0.032 |
| Achromatopsia (no color) | #2D2D2D | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D3041
#0D3041
oklch(29.3% 0.05 233.4)
- #3F2513
#3F2513
oklch(29.3% 0.049 54.3)
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 #0D3041, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Gunmetal #293241 ΔE 0.035
- Midnight Green #073B4C ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.038
- Dark #1B2431 ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.046
- Jet #212529 ΔE 0.051
Use #0D3041 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.