#15297C#15297C

#15297C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.142 H 267.1°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#15297C
RGB	rgb(21, 41, 124)
HSL	hsl(228, 71%, 28%)
HSV	hsv(228, 83%, 49%)
CMYK	cmyk(83.1%, 66.9%, 0%, 51.4%)
CIE-LAB	lab(20.83, 25.29, -49.11)
CIE-LCH	lch(20.83, 55.24, 297.25°)
OKLab	oklab(32.73% -0.0072 -0.1422)
OKLCH	oklch(32.73% 0.142 267.1)
XYZ	xyz(4.7390, 3.2000, 19.4328)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15297C #7C6815

analogous

#155C7C #15297C #35157C

triadic

#15297C #7C1529 #297C15

tetradic

#15297C #7C155C #7C6815 #157C35

square

#15297C #7C155C #7C6815 #157C35

split-complementary

#15297C #7C3515 #5C7C15

monochromatic

#04091A #0C1848 #15297C #1E3AB0 #3051DC

Accessibility & contrast

On white

12.80

#15297C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#15297C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15297C

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15297C	#FFFFFF	#000000	##FFFFFF
##15297C	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#002D7A

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #15297c;
/* rgb */ color: rgb(21, 41, 124);
/* oklch */ color: oklch(32.7% 0.142 267.1);

Tailwind

colors: {
  custom: {
    50: '#6662a3',
    500: '#15297c',
    950: '#000000',
  },
}

SCSS

$custom: #15297c;
$custom-light: #6662a3;
$custom-dark: #000000;

JSON

{
  "hex": "#15297c",
  "rgb": {
    "r": 21,
    "g": 41,
    "b": 124
  },
  "hsl": {
    "h": 228.35,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32732,
    "c": 0.14235,
    "h": 267.1
  },
  "luminance": 0.03201
}

Semantic roles & 50–950 ramp

primary

#15297C

secondary

#B19A3C

accent

#CB3AEE

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #15297C

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

Preview Lab → · Contrast checker → · Palette generator →