#15277E#15277E

#15277E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.148 H 267.6°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#15277E
RGB	rgb(21, 39, 126)
HSL	hsl(230, 71%, 29%)
HSV	hsv(230, 83%, 49%)
CMYK	cmyk(83.3%, 69%, 0%, 50.6%)
CIE-LAB	lab(20.50, 27.46, -50.91)
CIE-LCH	lch(20.50, 57.84, 298.35°)
OKLab	oklab(32.56% -0.0063 -0.1474)
OKLCH	oklch(32.56% 0.148 267.6)
XYZ	xyz(4.7994, 3.1163, 20.0832)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15277E #7E6C15

analogous

#155C7E #15277E #38157E

triadic

#15277E #7E1527 #277E15

tetradic

#15277E #7E155C #7E6C15 #157E38

square

#15277E #7E155C #7E6C15 #157E38

split-complementary

#15277E #7E3815 #5C7E15

monochromatic

#04081A #0C174A #15277E #1E37B2 #314EDD

Accessibility & contrast

On white

12.94

#15277E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#15277E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15277E

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15277E	#FFFFFF	#000000	##FFFFFF
##15277E	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #15277e;
/* rgb */ color: rgb(21, 39, 126);
/* oklch */ color: oklch(32.6% 0.148 267.6);

Tailwind

colors: {
  custom: {
    50: '#6761a4',
    500: '#15277e',
    950: '#000000',
  },
}

SCSS

$custom: #15277e;
$custom-light: #6761a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15277e",
  "rgb": {
    "r": 21,
    "g": 39,
    "b": 126
  },
  "hsl": {
    "h": 229.714,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32555,
    "c": 0.14758,
    "h": 267.6
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#15277E

secondary

#B39F3C

accent

#CF3AEE

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #15277E

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

Preview Lab → · Contrast checker → · Palette generator →