#15428A#15428A

#15428A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.3% C 0.130 H 259.7°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#15428A
RGB	rgb(21, 66, 138)
HSL	hsl(217, 74%, 31%)
HSV	hsv(217, 85%, 54%)
CMYK	cmyk(84.8%, 52.2%, 0%, 45.9%)
CIE-LAB	lab(29.13, 13.47, -44.35)
CIE-LCH	lch(29.13, 46.35, 286.89°)
OKLab	oklab(39.35% -0.0232 -0.1278)
OKLCH	oklch(39.35% 0.13 259.7)
XYZ	xyz(6.8432, 5.8900, 24.8160)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15428A #8A5D15

analogous

#157C8A #15428A #22158A

triadic

#15428A #8A1542 #428A15

tetradic

#15428A #8A157C #8A5D15 #158A22

square

#15428A #8A157C #8A5D15 #158A22

split-complementary

#15428A #8A2215 #7C8A15

monochromatic

#050F20 #0D2955 #15428A #1D5BBF #3979E1

Accessibility & contrast

On white

9.64

#15428A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#15428A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15428A

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15428A	#FFFFFF	#000000	##FFFFFF
##15428A	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134A8D

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #15428a;
/* rgb */ color: rgb(21, 66, 138);
/* oklch */ color: oklch(39.3% 0.130 259.7);

Tailwind

colors: {
  custom: {
    50: '#6875ad',
    500: '#15428a',
    950: '#000000',
  },
}

SCSS

$custom: #15428a;
$custom-light: #6875ad;
$custom-dark: #000000;

JSON

{
  "hex": "#15428a",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 138
  },
  "hsl": {
    "h": 216.923,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39346,
    "c": 0.12984,
    "h": 259.7
  },
  "luminance": 0.05891
}

Semantic roles & 50–950 ramp

primary

#15428A

secondary

#BE8C3D

accent

#A938F0

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #15428A

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

Preview Lab → · Contrast checker → · Palette generator →