#102E43
Closest named color: Oxford Blue (#1B263B). oklch(29% 0.052 242.2), rgb(16, 46, 67).
Aa
White text reads best on this color (14.05:1).
About this color
#102E43 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.052 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.05:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.49:1 |
| White text | 14.05:1 |
Values
| HEX | #102E43 |
| RGB | rgb(16, 46, 67) |
| HSL | hsl(205, 61%, 16%) |
| OKLCH | oklch(29% 0.052 242.2) |
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 #102E43 | 14.05:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #102E43 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #102E43 text on white | 14.05:1 | AAA | Lc 100.6 | Preferred for body text |
| #102E43 text on black | 1.49:1 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEE
oklch(88.4% 0.034 242.7)
-
Step 300
300
#9EC6E6
oklch(80.9% 0.062 242.7)
-
Step 400
400
#66A8D9
oklch(70.7% 0.099 242.1)
-
Step 500
500
#3491CF
oklch(63.1% 0.127 242.3)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#0C4669
oklch(37.8% 0.082 241.6)
-
Step 950
950 (this color)
#102E43
oklch(29% 0.052 242.2)
#102E43 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) | #242E44 | 0.025 |
| Deuteranopia (no green cones) | #1D2943 | 0.021 |
| Tritanopia (no blue cones) | #003335 | 0.038 |
| Achromatopsia (no color) | #2C2C2C | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102E43
#102E43
oklch(29% 0.052 242.2)
- #3E250D
#3E250D
oklch(29.1% 0.052 61.9)
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 #102E43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.036
- Gunmetal #293241 ΔE 0.037
- Dark #1B2431 ΔE 0.041
- Midnight Green #073B4C ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.050
- Jet #212529 ΔE 0.051
Use #102E43 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.