#102142
Closest named color: Oxford Blue (#1B263B). oklch(25.3% 0.066 262.2), rgb(16, 33, 66).
Aa
White text reads best on this color (15.93:1).
About this color
#102142 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.066 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 15.93:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 15.93:1 |
Values
| HEX | #102142 |
| RGB | rgb(16, 33, 66) |
| HSL | hsl(220, 61%, 16%) |
| OKLCH | oklch(25.3% 0.066 262.2) |
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 #102142 | 15.93:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #102142 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #102142 text on white | 15.93:1 | AAA | Lc 102.7 | Preferred for body text |
| #102142 text on black | 1.31:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A5C1F4
oklch(80.8% 0.079 262.3)
-
Step 400
400
#75A0EF
oklch(70.8% 0.126 261.9)
-
Step 500
500
#5285EA
oklch(63.1% 0.162 262.5)
-
Step 600
600
#366DD8
oklch(55.7% 0.175 262)
-
Step 700
700
#295ABB
oklch(49.1% 0.162 262.1)
-
Step 800
800
#234A97
oklch(42.7% 0.134 262.1)
-
Step 900
900
#213F79
oklch(37.8% 0.105 262.1)
-
Step 950
950 (this color)
#102142
oklch(25.3% 0.066 262.2)
#102142 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) | #112443 | 0.010 |
| Deuteranopia (no green cones) | #082041 | 0.010 |
| Tritanopia (no blue cones) | #00292E | 0.055 |
| Achromatopsia (no color) | #222222 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102142
#102142
oklch(25.3% 0.066 262.2)
- #2F1F00
#2F1F00
oklch(25.3% 0.052 80.8)
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 #102142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Dark #1B2431 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.048
- Navy Blue #001146 ΔE 0.056
- Jet #212529 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.061
- Marine #042E60 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.068
Use #102142 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.