#15277C#15277C

#15277C is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.145 H 267.6°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#15277C
RGB	rgb(21, 39, 124)
HSL	hsl(230, 71%, 28%)
HSV	hsv(230, 83%, 49%)
CMYK	cmyk(83.1%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(20.30, 26.67, -49.97)
CIE-LCH	lch(20.30, 56.64, 298.09°)
OKLab	oklab(32.35% -0.0061 -0.1447)
OKLCH	oklch(32.35% 0.145 267.6)
XYZ	xyz(4.6716, 3.0652, 19.4103)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15277C #7C6A15

analogous

#155A7C #15277C #37157C

triadic

#15277C #7C1527 #277C15

tetradic

#15277C #7C155A #7C6A15 #157C37

square

#15277C #7C155A #7C6A15 #157C37

split-complementary

#15277C #7C3715 #5A7C15

monochromatic

#04081A #0C1748 #15277C #1E37B0 #304EDC

Accessibility & contrast

On white

13.02

#15277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#15277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15277C

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15277C	#FFFFFF	#000000	##FFFFFF
##15277C	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#002C7A

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #15277c;
/* rgb */ color: rgb(21, 39, 124);
/* oklch */ color: oklch(32.3% 0.145 267.6);

Tailwind

colors: {
  custom: {
    50: '#6661a3',
    500: '#15277c',
    950: '#000000',
  },
}

SCSS

$custom: #15277c;
$custom-light: #6661a3;
$custom-dark: #000000;

JSON

{
  "hex": "#15277c",
  "rgb": {
    "r": 21,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 229.515,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32347,
    "c": 0.14483,
    "h": 267.6
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#15277C

secondary

#B19D3C

accent

#CE3AEE

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #15277C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →