#102E64
Closest named color: Marine (#042E60). oklch(31.4% 0.102 261), rgb(16, 46, 100).
Aa
White text reads best on this color (13.15:1).
About this color
#102E64 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.102 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.011 away. White text reads best on it, at 13.15:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #102E64 |
| RGB | rgb(16, 46, 100) |
| HSL | hsl(219, 72%, 23%) |
| OKLCH | oklch(31.4% 0.102 261) |
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 #102E64 | 13.15:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #102E64 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #102E64 text on white | 13.15:1 | AAA | Lc 99.1 | Preferred for body text |
| #102E64 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3D82FF
oklch(63% 0.199 261.1)
-
Step 600
600
#0063FC
oklch(55.5% 0.241 261)
-
Step 700
700
#0053D6
oklch(49.1% 0.213 261)
-
Step 800
800
#0043B2
oklch(42.7% 0.186 261.1)
-
Step 900
900
#013895
oklch(37.7% 0.161 261)
-
Step 950
950 (this color)
#102E64
oklch(31.4% 0.102 261)
#102E64 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) | #0B3466 | 0.018 |
| Deuteranopia (no green cones) | #002D63 | 0.012 |
| Tritanopia (no blue cones) | #003B44 | 0.079 |
| Achromatopsia (no color) | #303030 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102E64
#102E64
oklch(31.4% 0.102 261)
- #422D00
#422D00
oklch(31.4% 0.065 80.7)
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 #102E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.011
- Marine Blue #01386A ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.037
- Midnight Blue #191970 ΔE 0.055
- Midnight Green #073B4C ΔE 0.066
- Dark Blue Grey #1F3B4D ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.068
- Twilight Blue #0A437A ΔE 0.069
Use #102E64 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.