#102750
Closest named color: Marine (#042E60). oklch(28% 0.081 260.9), rgb(16, 39, 80).
Aa
White text reads best on this color (14.70:1).
About this color
#102750 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.081 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.033 away. White text reads best on it, at 14.70:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.42:1 |
| White text | 14.70:1 |
Values
| HEX | #102750 |
| RGB | rgb(16, 39, 80) |
| HSL | hsl(218, 67%, 19%) |
| OKLCH | oklch(28% 0.081 260.9) |
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 #102750 | 14.70:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #102750 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #102750 text on white | 14.70:1 | AAA | Lc 101.3 | Preferred for body text |
| #102750 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9EC2FF
oklch(81% 0.095 260.8)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3E83FD
oklch(63.1% 0.195 260.8)
-
Step 600
600
#1C68ED
oklch(55.6% 0.214 261)
-
Step 700
700
#0F56CE
oklch(49.2% 0.197 260.9)
-
Step 800
800
#1047A6
oklch(42.7% 0.163 260.9)
-
Step 900
900
#153D84
oklch(37.7% 0.128 260.9)
-
Step 950
950 (this color)
#102750
oklch(28% 0.081 260.9)
#102750 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) | #112B52 | 0.013 |
| Deuteranopia (no green cones) | #04254F | 0.013 |
| Tritanopia (no blue cones) | #003137 | 0.065 |
| Achromatopsia (no color) | #282828 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102750
#102750
oklch(28% 0.081 260.9)
- #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 #102750, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.053
- Dark #1B2431 ΔE 0.057
- Gunmetal #293241 ΔE 0.062
- Marine Blue #01386A ΔE 0.064
- Midnight Blue #191970 ΔE 0.067
Use #102750 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.