#151C59#151C59

#151C59 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.109 H 271.6°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#151C59
RGB	rgb(21, 28, 89)
HSL	hsl(234, 62%, 22%)
HSV	hsv(234, 76%, 35%)
CMYK	cmyk(76.4%, 68.5%, 0%, 65.1%)
CIE-LAB	lab(13.89, 20.39, -37.62)
CIE-LCH	lch(13.89, 42.79, 298.46°)
OKLab	oklab(26.58% 0.0031 -0.1087)
OKLCH	oklch(26.58% 0.109 271.6)
XYZ	xyz(2.5271, 1.7110, 9.6463)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C59 #595215

analogous

#153E59 #151C59 #301559

triadic

#151C59 #59151C #1C5915

tetradic

#151C59 #59153E #595215 #155930

square

#151C59 #59153E #595215 #155930

split-complementary

#151C59 #593015 #3E5915

monochromatic

#060819 #090C27 #151C59 #212C8B #2C3BBC

Accessibility & contrast

On white

15.65

#151C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#151C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C59

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C59	#FFFFFF	#000000	##FFFFFF
##151C59	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002058

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151c59;
/* rgb */ color: rgb(21, 28, 89);
/* oklch */ color: oklch(26.6% 0.109 271.6);

Tailwind

colors: {
  custom: {
    50: '#5e5889',
    500: '#151c59',
    950: '#000000',
  },
}

SCSS

$custom: #151c59;
$custom-light: #5e5889;
$custom-dark: #000000;

JSON

{
  "hex": "#151c59",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 89
  },
  "hsl": {
    "h": 233.824,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.26583,
    "c": 0.1087,
    "h": 271.6
  },
  "luminance": 0.01711
}

Semantic roles & 50–950 ramp

primary

#151C59

secondary

#918839

accent

#D443E5

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #151C59

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

Preview Lab → · Contrast checker → · Palette generator →