#102B74
Closest named color: Marine (#042E60). oklch(32.2% 0.13 264.5), rgb(16, 43, 116).
Aa
White text reads best on this color (12.96:1).
About this color
#102B74 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.130 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.038 away. White text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 12.96:1 |
Values
| HEX | #102B74 |
| RGB | rgb(16, 43, 116) |
| HSL | hsl(224, 76%, 26%) |
| OKLCH | oklch(32.2% 0.13 264.5) |
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 #102B74 | 12.96:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #102B74 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #102B74 text on white | 12.96:1 | AAA | Lc 98.6 | Preferred for body text |
| #102B74 text on black | 1.61:1 | 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
#275FFF
oklch(55.7% 0.244 264.5)
-
Step 700
700
#0937FF
oklch(49.1% 0.287 264.5)
-
Step 800
800
#0425DB
oklch(42.7% 0.263 264.5)
-
Step 900
900
#072AAB
oklch(37.6% 0.204 264.6)
-
Step 950
950 (this color)
#102B74
oklch(32.2% 0.13 264.5)
#102B74 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) | #003676 | 0.029 |
| Deuteranopia (no green cones) | #002D73 | 0.011 |
| Tritanopia (no blue cones) | #003E4B | 0.100 |
| Achromatopsia (no color) | #313131 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102B74
#102B74
oklch(32.2% 0.13 264.5)
- #433000
#433000
oklch(32.2% 0.066 84.5)
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 #102B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.038
- Midnight Blue #191970 ΔE 0.041
- Marine Blue #01386A ΔE 0.041
- Royal #0C1793 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.068
- Navy #000080 ΔE 0.077
- Dark Blue #00008B ΔE 0.077
Use #102B74 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.