#0B294D
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.075 255.1), rgb(11, 41, 77).
Aa
White text reads best on this color (14.59:1).
About this color
#0B294D is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.075 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 14.59:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.59:1 |
Values
| HEX | #0B294D |
| RGB | rgb(11, 41, 77) |
| HSL | hsl(213, 75%, 17%) |
| OKLCH | oklch(28.1% 0.075 255.1) |
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 #0B294D | 14.59:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #0B294D | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #0B294D text on white | 14.59:1 | AAA | Lc 101.2 | Preferred for body text |
| #0B294D text on black | 1.43:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DBFA
oklch(88.4% 0.05 255.9)
-
Step 300
300
#9AC4FA
oklch(81% 0.089 255)
-
Step 400
400
#60A3F7
oklch(70.8% 0.142 255)
-
Step 500
500
#2C88F4
oklch(63% 0.183 255.4)
-
Step 600
600
#0070DB
oklch(55.5% 0.184 255.3)
-
Step 700
700
#005EBA
oklch(49.1% 0.163 255.3)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#07407E
oklch(37.6% 0.118 255.3)
-
Step 950
950 (this color)
#0B294D
oklch(28.1% 0.075 255.1)
#0B294D 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) | #172C4E | 0.017 |
| Deuteranopia (no green cones) | #0B264C | 0.010 |
| Tritanopia (no blue cones) | #003237 | 0.058 |
| Achromatopsia (no color) | #292929 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B294D
#0B294D
oklch(28.1% 0.075 255.1)
- #3A2400
#3A2400
oklch(28.1% 0.059 74.7)
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 #0B294D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Marine #042E60 ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.050
- Dark #1B2431 ΔE 0.053
- Gunmetal #293241 ΔE 0.057
- Midnight Green #073B4C ΔE 0.061
- Marine Blue #01386A ΔE 0.064
Use #0B294D 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.