#102751
Closest named color: Marine (#042E60). oklch(28.1% 0.082 261.2), rgb(16, 39, 81).
Aa
White text reads best on this color (14.67:1).
About this color
#102751 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.082 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.032 away. White text reads best on it, at 14.67:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.43:1 |
| White text | 14.67:1 |
Values
| HEX | #102751 |
| RGB | rgb(16, 39, 81) |
| HSL | hsl(219, 67%, 19%) |
| OKLCH | oklch(28.1% 0.082 261.2) |
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 #102751 | 14.67:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #102751 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #102751 text on white | 14.67:1 | AAA | Lc 101.3 | Preferred for body text |
| #102751 text on black | 1.43:1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3E82FF
oklch(63% 0.199 261.3)
-
Step 600
600
#1C67EF
oklch(55.5% 0.217 261.3)
-
Step 700
700
#0E55D0
oklch(49.1% 0.201 261.2)
-
Step 800
800
#1046A8
oklch(42.6% 0.167 261.3)
-
Step 900
900
#153D85
oklch(37.8% 0.129 261.1)
-
Step 950
950 (this color)
#102751
oklch(28.1% 0.082 261.2)
#102751 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) | #102C53 | 0.016 |
| Deuteranopia (no green cones) | #022650 | 0.013 |
| Tritanopia (no blue cones) | #003138 | 0.065 |
| Achromatopsia (no color) | #282828 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102751
#102751
oklch(28.1% 0.082 261.2)
- #372500
#372500
oklch(27.9% 0.058 81)
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 #102751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.054
- Dark #1B2431 ΔE 0.059
- Gunmetal #293241 ΔE 0.063
- Marine Blue #01386A ΔE 0.063
- Midnight Blue #191970 ΔE 0.065
Use #102751 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.