#15318F#15318F

#15318F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.159 H 265.6°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#15318F
RGB	rgb(21, 49, 143)
HSL	hsl(226, 74%, 32%)
HSV	hsv(226, 85%, 56%)
CMYK	cmyk(85.3%, 65.7%, 0%, 43.9%)
CIE-LAB	lab(24.76, 27.34, -54.57)
CIE-LCH	lch(24.76, 61.03, 296.61°)
OKLab	oklab(36.19% -0.012 -0.158)
OKLCH	oklch(36.19% 0.159 265.6)
XYZ	xyz(6.3638, 4.3384, 26.4833)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15318F #8F7315

analogous

#156E8F #15318F #36158F

triadic

#15318F #8F1531 #318F15

tetradic

#15318F #8F156E #8F7315 #158F36

square

#15318F #8F156E #8F7315 #158F36

split-complementary

#15318F #8F3615 #6E8F15

monochromatic

#050C24 #0D1F5A #15318F #1D43C4 #3C62E2

Accessibility & contrast

On white

11.24

#15318F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#15318F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15318F

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15318F	#FFFFFF	#000000	##FFFFFF
##15318F	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #15318f;
/* rgb */ color: rgb(21, 49, 143);
/* oklch */ color: oklch(36.2% 0.159 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b68b1',
    500: '#15318f',
    950: '#000000',
  },
}

SCSS

$custom: #15318f;
$custom-light: #6b68b1;
$custom-dark: #000000;

JSON

{
  "hex": "#15318f",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 143
  },
  "hsl": {
    "h": 226.23,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36187,
    "c": 0.15851,
    "h": 265.6
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#15318F

secondary

#C2A43E

accent

#C637F1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #15318F

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

Preview Lab → · Contrast checker → · Palette generator →