#102A6F
Closest named color: Marine (#042E60). oklch(31.5% 0.124 264.5), rgb(16, 42, 111).
Aa
White text reads best on this color (13.26:1).
About this color
#102A6F is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.124 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.030 away. White text reads best on it, at 13.26:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #102A6F |
| RGB | rgb(16, 42, 111) |
| HSL | hsl(224, 75%, 25%) |
| OKLCH | oklch(31.5% 0.124 264.5) |
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 #102A6F | 13.26:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #102A6F | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #102A6F text on white | 13.26:1 | AAA | Lc 99.1 | Preferred for body text |
| #102A6F text on black | 1.58:1 | 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
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600
#265FFF
oklch(55.6% 0.244 264.4)
-
Step 700
700
#0837FF
oklch(49% 0.287 264.5)
-
Step 800
800
#052CD5
oklch(42.8% 0.251 264.5)
-
Step 900
900
#092DA7
oklch(37.7% 0.196 264.5)
-
Step 950
950 (this color)
#102A6F
oklch(31.5% 0.124 264.5)
#102A6F 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) | #003471 | 0.027 |
| Deuteranopia (no green cones) | #002B6E | 0.011 |
| Tritanopia (no blue cones) | #003C48 | 0.096 |
| Achromatopsia (no color) | #303030 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102A6F
#102A6F
oklch(31.5% 0.124 264.5)
- #412E00
#412E00
oklch(31.5% 0.065 83.7)
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 #102A6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.030
- Midnight Blue #191970 ΔE 0.038
- Marine Blue #01386A ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.059
- Royal #0C1793 ΔE 0.069
- Twilight Blue #0A437A ΔE 0.072
- Dark Royal Blue #02066F ΔE 0.075
- Deep Blue #040273 ΔE 0.076
Use #102A6F 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.