#151D59#151D59

#151D59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.8% C 0.107 H 271.2°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#151D59
RGB	rgb(21, 29, 89)
HSL	hsl(233, 62%, 22%)
HSV	hsv(233, 76%, 35%)
CMYK	cmyk(76.4%, 67.4%, 0%, 65.1%)
CIE-LAB	lab(14.17, 19.67, -37.17)
CIE-LCH	lch(14.17, 42.05, 297.88°)
OKLab	oklab(26.79% 0.0023 -0.1073)
OKLCH	oklch(26.79% 0.107 271.2)
XYZ	xyz(2.5512, 1.7592, 9.6544)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D59 #595115

analogous

#153F59 #151D59 #2F1559

triadic

#151D59 #59151D #1D5915

tetradic

#151D59 #59153F #595115 #15592F

square

#151D59 #59153F #595115 #15592F

split-complementary

#151D59 #592F15 #3F5915

monochromatic

#060819 #090D27 #151D59 #212D8B #2C3DBC

Accessibility & contrast

On white

15.53

#151D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#151D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D59

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D59	#FFFFFF	#000000	##FFFFFF
##151D59	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002158

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151d59;
/* rgb */ color: rgb(21, 29, 89);
/* oklch */ color: oklch(26.8% 0.107 271.2);

Tailwind

colors: {
  custom: {
    50: '#5e5889',
    500: '#151d59',
    950: '#000000',
  },
}

SCSS

$custom: #151d59;
$custom-light: #5e5889;
$custom-dark: #000000;

JSON

{
  "hex": "#151d59",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 89
  },
  "hsl": {
    "h": 232.941,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.26788,
    "c": 0.10734,
    "h": 271.2
  },
  "luminance": 0.01759
}

Semantic roles & 50–950 ramp

primary

#151D59

secondary

#918639

accent

#D243E5

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #151D59

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

Preview Lab → · Contrast checker → · Palette generator →