#102D68
Closest named color: Marine (#042E60). oklch(31.5% 0.109 262.3), rgb(16, 45, 104).
Aa
White text reads best on this color (13.14:1).
About this color
#102D68 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.109 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.017 away. White text reads best on it, at 13.14:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #102D68 |
| RGB | rgb(16, 45, 104) |
| HSL | hsl(220, 73%, 24%) |
| OKLCH | oklch(31.5% 0.109 262.3) |
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 #102D68 | 13.14:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #102D68 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #102D68 text on white | 13.14:1 | AAA | Lc 99.1 | Preferred for body text |
| #102D68 text on black | 1.59:1 | 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
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4382FF
oklch(63.2% 0.197 262.2)
-
Step 600
600
#1361FF
oklch(55.6% 0.245 262.4)
-
Step 700
700
#004DE1
oklch(49% 0.233 262.3)
-
Step 800
800
#003FBB
oklch(42.8% 0.202 262.3)
-
Step 900
900
#03359B
oklch(37.7% 0.173 262.3)
-
Step 950
950 (this color)
#102D68
oklch(31.5% 0.109 262.3)
#102D68 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) | #00346A | 0.020 |
| Deuteranopia (no green cones) | #002C67 | 0.012 |
| Tritanopia (no blue cones) | #003B45 | 0.085 |
| Achromatopsia (no color) | #303030 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102D68
#102D68
oklch(31.5% 0.109 262.3)
- #422E00
#422E00
oklch(31.6% 0.065 82.4)
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 #102D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.017
- Marine Blue #01386A ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.044
- Midnight Blue #191970 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.068
- Midnight Green #073B4C ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.075
Use #102D68 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.