#11274B
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.072 259.8), rgb(17, 39, 75).
Aa
White text reads best on this color (14.83:1).
About this color
#11274B is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.072 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 14.83:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.83:1 |
Values
| HEX | #11274B |
| RGB | rgb(17, 39, 75) |
| HSL | hsl(217, 63%, 18%) |
| OKLCH | oklch(27.7% 0.072 259.8) |
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 #11274B | 14.83:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #11274B | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #11274B text on white | 14.83:1 | AAA | Lc 101.5 | Preferred for body text |
| #11274B text on black | 1.41:1 | 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
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF9
oklch(88.4% 0.048 260.2)
-
Step 300
300
#A0C2F8
oklch(80.9% 0.085 259.5)
-
Step 400
400
#6CA0F5
oklch(70.6% 0.137 259.8)
-
Step 500
500
#4486F1
oklch(63.1% 0.174 259.6)
-
Step 600
600
#246CE0
oklch(55.5% 0.191 259.9)
-
Step 700
700
#165AC3
oklch(49.2% 0.177 259.7)
-
Step 800
800
#154A9D
oklch(42.7% 0.146 259.6)
-
Step 900
900
#193F7D
oklch(37.8% 0.114 259.8)
-
Step 950
950 (this color)
#11274B
oklch(27.7% 0.072 259.8)
#11274B 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) | #162A4C | 0.012 |
| Deuteranopia (no green cones) | #0B254A | 0.010 |
| Tritanopia (no blue cones) | #002F35 | 0.057 |
| Achromatopsia (no color) | #282828 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11274B
#11274B
oklch(27.7% 0.072 259.8)
- #372400
#372400
oklch(27.7% 0.057 79)
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 #11274B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Marine #042E60 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.048
- Dark #1B2431 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.051
- Gunmetal #293241 ΔE 0.058
- Jet #212529 ΔE 0.065
- Midnight Green #073B4C ΔE 0.066
Use #11274B 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.