#102643
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.061 256.1), rgb(16, 38, 67).
Aa
White text reads best on this color (15.21:1).
About this color
#102643 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.061 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 15.21:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.21:1 |
Values
| HEX | #102643 |
| RGB | rgb(16, 38, 67) |
| HSL | hsl(214, 61%, 16%) |
| OKLCH | oklch(26.8% 0.061 256.1) |
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 #102643 | 15.21:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #102643 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #102643 text on white | 15.21:1 | AAA | Lc 102.0 | Preferred for body text |
| #102643 text on black | 1.38:1 | 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
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A2C3F0
oklch(80.9% 0.073 256.2)
-
Step 400
400
#6FA3E8
oklch(70.8% 0.116 255.8)
-
Step 500
500
#488AE1
oklch(63.2% 0.148 256.2)
-
Step 600
600
#2772CF
oklch(55.7% 0.161 256.1)
-
Step 700
700
#195FB3
oklch(49.1% 0.149 256)
-
Step 800
800
#184E91
oklch(42.7% 0.124 256.1)
-
Step 900
900
#1B4174
oklch(37.7% 0.098 256.7)
-
Step 950
950 (this color)
#102643
oklch(26.8% 0.061 256.1)
#102643 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) | #192844 | 0.014 |
| Deuteranopia (no green cones) | #112342 | 0.010 |
| Tritanopia (no blue cones) | #002D31 | 0.049 |
| Achromatopsia (no color) | #262626 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102643
#102643
oklch(26.8% 0.061 256.1)
- #352100
#352100
oklch(26.6% 0.056 75.7)
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 #102643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Dark #1B2431 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.048
- Jet #212529 ΔE 0.052
- Marine #042E60 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.056
- Gunmetal #293241 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.060
Use #102643 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.