#10294F
Closest named color: Marine (#042E60). oklch(28.4% 0.076 258.7), rgb(16, 41, 79).
Aa
White text reads best on this color (14.46:1).
About this color
#10294F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.076 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.032 away. White text reads best on it, at 14.46:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.45:1 |
| White text | 14.46:1 |
Values
| HEX | #10294F |
| RGB | rgb(16, 41, 79) |
| HSL | hsl(216, 66%, 19%) |
| OKLCH | oklch(28.4% 0.076 258.7) |
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 #10294F | 14.46:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #10294F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #10294F text on white | 14.46:1 | AAA | Lc 101.0 | Preferred for body text |
| #10294F text on black | 1.45:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C5DBFB
oklch(88.5% 0.05 257.7)
-
Step 300
300
#9DC2FB
oklch(80.8% 0.091 258.9)
-
Step 400
400
#66A1FA
oklch(70.8% 0.145 258.4)
-
Step 500
500
#3A86F7
oklch(63.2% 0.185 258.5)
-
Step 600
600
#126CE6
oklch(55.6% 0.201 258.7)
-
Step 700
700
#0159C8
oklch(49.1% 0.187 258.8)
-
Step 800
800
#094AA1
oklch(42.8% 0.154 258.5)
-
Step 900
900
#123F80
oklch(37.8% 0.12 258.4)
-
Step 950
950 (this color)
#10294F
oklch(28.4% 0.076 258.7)
#10294F 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) | #162D50 | 0.015 |
| Deuteranopia (no green cones) | #0A274E | 0.009 |
| Tritanopia (no blue cones) | #003238 | 0.060 |
| Achromatopsia (no color) | #292929 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10294F
#10294F
oklch(28.4% 0.076 258.7)
- #3A2600
#3A2600
oklch(28.6% 0.059 78.6)
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 #10294F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.048
- Dark #1B2431 ΔE 0.055
- Gunmetal #293241 ΔE 0.056
- Midnight Green #073B4C ΔE 0.061
- Marine Blue #01386A ΔE 0.061
Use #10294F 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.