#15408C#15408C

#15408C is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.135 H 260.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#15408C
RGB	rgb(21, 64, 140)
HSL	hsl(218, 74%, 32%)
HSV	hsv(218, 85%, 55%)
CMYK	cmyk(85%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(28.69, 15.69, -46.30)
CIE-LCH	lch(28.69, 48.89, 288.72°)
OKLab	oklab(39.06% -0.0214 -0.1335)
OKLCH	oklch(39.06% 0.135 260.9)
XYZ	xyz(6.8746, 5.7188, 25.5474)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15408C #8C6115

analogous

#157C8C #15408C #25158C

triadic

#15408C #8C1540 #408C15

tetradic

#15408C #8C157C #8C6115 #158C25

square

#15408C #8C157C #8C6115 #158C25

split-complementary

#15408C #8C2515 #7C8C15

monochromatic

#050F22 #0D2857 #15408C #1D58C1 #3A76E1

Accessibility & contrast

On white

9.79

#15408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#15408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15408C

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15408C	#FFFFFF	#000000	##FFFFFF
##15408C	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05498F

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #15408c;
/* rgb */ color: rgb(21, 64, 140);
/* oklch */ color: oklch(39.1% 0.135 260.9);

Tailwind

colors: {
  custom: {
    50: '#6974ae',
    500: '#15408c',
    950: '#000000',
  },
}

SCSS

$custom: #15408c;
$custom-light: #6974ae;
$custom-dark: #000000;

JSON

{
  "hex": "#15408c",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 218.319,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.13525,
    "h": 260.9
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#15408C

secondary

#C0913D

accent

#AE37F1

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #15408C

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

Preview Lab → · Contrast checker → · Palette generator →