#151A57#151A57

#151A57 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.108 H 272.6°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#151A57
RGB	rgb(21, 26, 87)
HSL	hsl(235, 61%, 21%)
HSV	hsv(235, 76%, 34%)
CMYK	cmyk(75.9%, 70.1%, 0%, 65.9%)
CIE-LAB	lab(13.15, 21.03, -37.49)
CIE-LCH	lch(13.15, 42.99, 299.29°)
OKLab	oklab(25.98% 0.0049 -0.1083)
OKLCH	oklch(25.98% 0.108 272.6)
XYZ	xyz(2.3984, 1.5861, 9.1947)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A57 #575215

analogous

#153B57 #151A57 #311557

triadic

#151A57 #57151A #1A5715

tetradic

#151A57 #57153B #575215 #155731

square

#151A57 #57153B #575215 #155731

split-complementary

#151A57 #573115 #3B5715

monochromatic

#060719 #090B26 #151A57 #212988 #2D37BA

Accessibility & contrast

On white

15.94

#151A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A57

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A57	#FFFFFF	#000000	##FFFFFF
##151A57	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#001F56

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151a57;
/* rgb */ color: rgb(21, 26, 87);
/* oklch */ color: oklch(26.0% 0.108 272.6);

Tailwind

colors: {
  custom: {
    50: '#5d5687',
    500: '#151a57',
    950: '#000000',
  },
}

SCSS

$custom: #151a57;
$custom-light: #5d5687;
$custom-dark: #000000;

JSON

{
  "hex": "#151a57",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 87
  },
  "hsl": {
    "h": 235.455,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25976,
    "c": 0.10841,
    "h": 272.6
  },
  "luminance": 0.01586
}

Semantic roles & 50–950 ramp

primary

#151A57

secondary

#8F8839

accent

#D844E4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151A57

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

Preview Lab → · Contrast checker → · Palette generator →