#10215F
Closest named color: Midnight Blue (#191970). oklch(28% 0.112 266.9), rgb(16, 33, 95).
Aa
White text reads best on this color (14.94:1).
About this color
#10215F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.112 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.035 away. White text reads best on it, at 14.94:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.40:1 |
| White text | 14.94:1 |
Values
| HEX | #10215F |
| RGB | rgb(16, 33, 95) |
| HSL | hsl(227, 71%, 22%) |
| OKLCH | oklch(28% 0.112 266.9) |
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 #10215F | 14.94:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #10215F | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #10215F text on white | 14.94:1 | AAA | Lc 101.4 | Preferred for body text |
| #10215F text on black | 1.40:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#345CFF
oklch(55.5% 0.245 266.9)
-
Step 700
700
#2239F9
oklch(49.1% 0.276 266.9)
-
Step 800
800
#1B32C9
oklch(42.7% 0.229 266.8)
-
Step 900
900
#19309E
oklch(37.7% 0.179 267)
-
Step 950
950 (this color)
#10215F
oklch(28% 0.112 266.9)
#10215F 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) | #002B61 | 0.028 |
| Deuteranopia (no green cones) | #00235E | 0.014 |
| Tritanopia (no blue cones) | #00313C | 0.088 |
| Achromatopsia (no color) | #272727 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10215F
#10215F
oklch(28% 0.112 266.9)
- #352600
#352600
oklch(27.9% 0.057 86)
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 #10215F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.035
- Marine #042E60 ΔE 0.036
- Darkblue #030764 ΔE 0.057
- Dark Indigo #1F0954 ΔE 0.057
- Dark Royal Blue #02066F ΔE 0.059
- Deep Blue #040273 ΔE 0.064
- Marine Blue #01386A ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.067
Use #10215F 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.