#10335F
Closest named color: Marine (#042E60). oklch(32.2% 0.088 255.9), rgb(16, 51, 95).
Aa
White text reads best on this color (12.64:1).
About this color
#10335F is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.088 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.019 away. White text reads best on it, at 12.64:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.66:1 |
| White text | 12.64:1 |
Values
| HEX | #10335F |
| RGB | rgb(16, 51, 95) |
| HSL | hsl(213, 71%, 22%) |
| OKLCH | oklch(32.2% 0.088 255.9) |
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 #10335F | 12.64:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #10335F | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #10335F text on white | 12.64:1 | AAA | Lc 98.3 | Preferred for body text |
| #10335F text on black | 1.66:1 | 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
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DDEBFE
oklch(93.5% 0.03 256)
-
Step 200
200
#C1DBFF
oklch(88.4% 0.057 256.6)
-
Step 300
300
#97C3FF
oklch(80.8% 0.098 256.3)
-
Step 400
400
#5AA2FF
oklch(70.7% 0.155 255.7)
-
Step 500
500
#1C86FF
oklch(63% 0.201 256)
-
Step 600
600
#006FDE
oklch(55.5% 0.189 256)
-
Step 700
700
#005DBC
oklch(49% 0.167 256)
-
Step 800
800
#004C9C
oklch(42.7% 0.146 256)
-
Step 900
900
#003F83
oklch(37.6% 0.128 255.9)
-
Step 950
950 (this color)
#10335F
oklch(32.2% 0.088 255.9)
#10335F 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) | #1D3761 | 0.019 |
| Deuteranopia (no green cones) | #0E305E | 0.010 |
| Tritanopia (no blue cones) | #003D44 | 0.066 |
| Achromatopsia (no color) | #333333 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10335F
#10335F
oklch(32.2% 0.088 255.9)
- #472E00
#472E00
oklch(32.3% 0.068 76.3)
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 #10335F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.021
- Marine Blue #01386A ΔE 0.023
- Midnight Green #073B4C ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.062
Use #10335F 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.