#102B48
Closest named color: Oxford Blue (#1B263B). oklch(28.5% 0.063 252.3), rgb(16, 43, 72).
Aa
White text reads best on this color (14.37:1).
About this color
#102B48 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.027 away. White text reads best on it, at 14.37:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.37:1 |
Values
| HEX | #102B48 |
| RGB | rgb(16, 43, 72) |
| HSL | hsl(211, 64%, 17%) |
| OKLCH | oklch(28.5% 0.063 252.3) |
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 #102B48 | 14.37:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #102B48 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #102B48 text on white | 14.37:1 | AAA | Lc 100.9 | Preferred for body text |
| #102B48 text on black | 1.46:1 | 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
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9EC4F0
oklch(80.8% 0.075 252.4)
-
Step 400
400
#67A4E9
oklch(70.6% 0.12 252.6)
-
Step 500
500
#398CE2
oklch(63.1% 0.152 252.2)
-
Step 600
600
#0774D0
oklch(55.7% 0.165 252.3)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#034F92
oklch(42.7% 0.128 252.6)
-
Step 900
900
#114274
oklch(37.6% 0.1 252.7)
-
Step 950
950 (this color)
#102B48
oklch(28.5% 0.063 252.3)
#102B48 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) | #1E2D49 | 0.019 |
| Deuteranopia (no green cones) | #162847 | 0.011 |
| Tritanopia (no blue cones) | #003236 | 0.048 |
| Achromatopsia (no color) | #2A2A2A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102B48
#102B48
oklch(28.5% 0.063 252.3)
- #3C2400
#3C2400
oklch(28.4% 0.061 72.1)
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 #102B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.040
- Marine #042E60 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.044
- Dark #1B2431 ΔE 0.044
- Gunmetal #293241 ΔE 0.046
- Midnight Green #073B4C ΔE 0.053
- Jet #212529 ΔE 0.058
Use #102B48 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.