#15237E#15237E

#15237E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.152 H 268.4°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#15237E
RGB	rgb(21, 35, 126)
HSL	hsl(232, 71%, 29%)
HSV	hsv(232, 83%, 49%)
CMYK	cmyk(83.3%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(19.50, 30.16, -52.55)
CIE-LCH	lch(19.50, 60.59, 299.85°)
OKLab	oklab(31.83% -0.0043 -0.1522)
OKLCH	oklch(31.83% 0.152 268.4)
XYZ	xyz(4.6749, 2.8673, 20.0417)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15237E #7E7015

analogous

#15587E #15237E #3C157E

triadic

#15237E #7E1523 #237E15

tetradic

#15237E #7E1558 #7E7015 #157E3C

square

#15237E #7E1558 #7E7015 #157E3C

split-complementary

#15237E #7E3C15 #587E15

monochromatic

#04071A #0C144A #15237E #1E32B2 #3148DD

Accessibility & contrast

On white

13.35

#15237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#15237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15237E

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15237E	#FFFFFF	#000000	##FFFFFF
##15237E	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #15237e;
/* rgb */ color: rgb(21, 35, 126);
/* oklch */ color: oklch(31.8% 0.152 268.4);

Tailwind

colors: {
  custom: {
    50: '#675ea4',
    500: '#15237e',
    950: '#000000',
  },
}

SCSS

$custom: #15237e;
$custom-light: #675ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#15237e",
  "rgb": {
    "r": 21,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 232,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31829,
    "c": 0.15231,
    "h": 268.4
  },
  "luminance": 0.02868
}

Semantic roles & 50–950 ramp

primary

#15237E

secondary

#B3A33C

accent

#D63AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15237E

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

Preview Lab → · Contrast checker → · Palette generator →