#15266D
Closest named color: Midnight Blue (#191970). oklch(30.6% 0.125 267.7), rgb(21, 38, 109).
Aa
White text reads best on this color (13.72:1).
About this color
#15266D is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.125 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.029 away. White text reads best on it, at 13.72:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.52:1 |
| White text | 13.72:1 |
Values
| HEX | #15266D |
| RGB | rgb(21, 38, 109) |
| HSL | hsl(228, 68%, 25%) |
| OKLCH | oklch(30.6% 0.125 267.7) |
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 #15266D | 13.72:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #15266D | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #15266D text on white | 13.72:1 | AAA | Lc 99.8 | Preferred for body text |
| #15266D text on black | 1.52:1 | 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
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#779BFF
oklch(70.7% 0.152 267.5)
-
Step 500
500
#567DFF
oklch(63% 0.198 267.8)
-
Step 600
600
#385BFF
oklch(55.5% 0.245 267.7)
-
Step 700
700
#2732FF
oklch(49.2% 0.286 267.7)
-
Step 800
800
#1E25D6
oklch(42.7% 0.253 267.7)
-
Step 900
900
#192AA8
oklch(37.8% 0.198 267.6)
-
Step 950
950 (this color)
#15266D
oklch(30.6% 0.125 267.7)
#15266D 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) | #00316F | 0.030 |
| Deuteranopia (no green cones) | #00296C | 0.017 |
| Tritanopia (no blue cones) | #003845 | 0.098 |
| Achromatopsia (no color) | #2D2D2D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15266D
#15266D
oklch(30.6% 0.125 267.7)
- #3D2D00
#3D2D00
oklch(30.7% 0.063 87.3)
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 #15266D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.029
- Marine #042E60 ΔE 0.034
- Marine Blue #01386A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.063
- Dark Royal Blue #02066F ΔE 0.068
- Royal #0C1793 ΔE 0.069
- Deep Blue #040273 ΔE 0.069
- Navy #000080 ΔE 0.073
Use #15266D 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.