#10214E
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.086 265.3), rgb(16, 33, 78).
Aa
White text reads best on this color (15.56:1).
About this color
#10214E is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.086 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.044 away. White text reads best on it, at 15.56:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.56:1 |
Values
| HEX | #10214E |
| RGB | rgb(16, 33, 78) |
| HSL | hsl(224, 66%, 18%) |
| OKLCH | oklch(26.4% 0.086 265.3) |
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 #10214E | 15.56:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #10214E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #10214E text on white | 15.56:1 | AAA | Lc 102.2 | Preferred for body text |
| #10214E text on black | 1.34:1 | 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
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#3162F5
oklch(55.6% 0.226 265.3)
-
Step 700
700
#2550D6
oklch(49.2% 0.211 265.3)
-
Step 800
800
#1F42AC
oklch(42.6% 0.174 265.3)
-
Step 900
900
#1D3A88
oklch(37.7% 0.135 265)
-
Step 950
950 (this color)
#10214E
oklch(26.4% 0.086 265.3)
#10214E 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) | #042750 | 0.019 |
| Deuteranopia (no green cones) | #00214D | 0.016 |
| Tritanopia (no blue cones) | #002C33 | 0.070 |
| Achromatopsia (no color) | #242424 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10214E
#10214E
oklch(26.4% 0.086 265.3)
- #312200
#312200
oklch(26.3% 0.054 84.1)
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 #10214E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.044
- Marine #042E60 ΔE 0.048
- Navy Blue #001146 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.057
- Dark #1B2431 ΔE 0.059
- Midnight Blue #191970 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.068
Use #10214E 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.