#15297D#15297D

#15297D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.144 H 267.1°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#15297D
RGB	rgb(21, 41, 125)
HSL	hsl(228, 71%, 29%)
HSV	hsv(228, 83%, 49%)
CMYK	cmyk(83.2%, 67.2%, 0%, 51%)
CIE-LAB	lab(20.92, 25.69, -49.58)
CIE-LCH	lch(20.92, 55.84, 297.39°)
OKLab	oklab(32.83% -0.0073 -0.1436)
OKLCH	oklch(32.83% 0.144 267.1)
XYZ	xyz(4.8026, 3.2254, 19.7675)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15297D #7D6915

analogous

#155D7D #15297D #35157D

triadic

#15297D #7D1529 #297D15

tetradic

#15297D #7D155D #7D6915 #157D35

square

#15297D #7D155D #7D6915 #157D35

split-complementary

#15297D #7D3515 #5D7D15

monochromatic

#04091A #0C1849 #15297D #1E3AB1 #3051DC

Accessibility & contrast

On white

12.76

#15297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#15297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15297D

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15297D	#FFFFFF	#000000	##FFFFFF
##15297D	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #15297d;
/* rgb */ color: rgb(21, 41, 125);
/* oklch */ color: oklch(32.8% 0.144 267.1);

Tailwind

colors: {
  custom: {
    50: '#6762a4',
    500: '#15297d',
    950: '#000000',
  },
}

SCSS

$custom: #15297d;
$custom-light: #6762a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15297d",
  "rgb": {
    "r": 21,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 228.462,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32834,
    "c": 0.14374,
    "h": 267.1
  },
  "luminance": 0.03226
}

Semantic roles & 50–950 ramp

primary

#15297D

secondary

#B29B3C

accent

#CB3AEE

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #15297D

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

Preview Lab → · Contrast checker → · Palette generator →