#13274B
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.072 261.2), rgb(19, 39, 75).
Aa
White text reads best on this color (14.79:1).
About this color
#13274B is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.072 and its hue 261°. 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 14.79:1.
| 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 | 14.79:1 |
Values
| HEX | #13274B |
| RGB | rgb(19, 39, 75) |
| HSL | hsl(219, 60%, 18%) |
| OKLCH | oklch(27.8% 0.072 261.2) |
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 #13274B | 14.79:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #13274B | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #13274B text on white | 14.79:1 | AAA | Lc 101.5 | Preferred for body text |
| #13274B 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
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#70A0F5
oklch(70.8% 0.135 261.2)
-
Step 500
500
#4A85F0
oklch(63.1% 0.172 261.2)
-
Step 600
600
#2C6CDF
oklch(55.7% 0.188 261)
-
Step 700
700
#1F59C2
oklch(49.1% 0.175 261.2)
-
Step 800
800
#1C499D
oklch(42.6% 0.146 261.4)
-
Step 900
900
#1C3E7C
oklch(37.6% 0.113 261.2)
-
Step 950
950 (this color)
#13274B
oklch(27.8% 0.072 261.2)
#13274B 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) | #162B4C | 0.014 |
| Deuteranopia (no green cones) | #0C254A | 0.011 |
| 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°).
- #13274B
#13274B
oklch(27.8% 0.072 261.2)
- #362500
#362500
oklch(27.8% 0.057 82.4)
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 #13274B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Marine #042E60 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.046
- Dark #1B2431 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.050
- Gunmetal #293241 ΔE 0.056
- Jet #212529 ΔE 0.064
- Midnight Green #073B4C ΔE 0.066
Use #13274B 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.