#102A41
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.053 247.8), rgb(16, 42, 65).
Aa
White text reads best on this color (14.68:1).
About this color
#102A41 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.053 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.018 away. White text reads best on it, at 14.68:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.68:1 |
Values
| HEX | #102A41 |
| RGB | rgb(16, 42, 65) |
| HSL | hsl(208, 60%, 16%) |
| OKLCH | oklch(27.7% 0.053 247.8) |
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 #102A41 | 14.68:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #102A41 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #102A41 text on white | 14.68:1 | AAA | Lc 101.4 | Preferred for body text |
| #102A41 text on black | 1.42:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A1C5E8
oklch(80.9% 0.063 247.9)
-
Step 400
400
#6BA6DD
oklch(70.7% 0.102 247.8)
-
Step 500
500
#408FD3
oklch(63.2% 0.129 247.5)
-
Step 600
600
#1677C0
oklch(55.5% 0.14 247.8)
-
Step 700
700
#0264A6
oklch(49.1% 0.131 247.7)
-
Step 800
800
#0B5287
oklch(42.7% 0.109 247.8)
-
Step 900
900
#15446C
oklch(37.7% 0.085 248.2)
-
Step 950
950 (this color)
#102A41
oklch(27.7% 0.053 247.8)
#102A41 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) | #202B42 | 0.021 |
| Deuteranopia (no green cones) | #192641 | 0.016 |
| Tritanopia (no blue cones) | #002F32 | 0.040 |
| Achromatopsia (no color) | #282828 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102A41
#102A41
oklch(27.7% 0.053 247.8)
- #392206
#392206
oklch(27.6% 0.054 67.3)
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 #102A41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.018
- Dark #1B2431 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.040
- Gunmetal #293241 ΔE 0.046
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.053
- Marine #042E60 ΔE 0.056
- Midnight Green #073B4C ΔE 0.056
Use #102A41 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.