#151A58#151A58

#151A58 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.110 H 272.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#151A58
RGB	rgb(21, 26, 88)
HSL	hsl(236, 61%, 21%)
HSV	hsv(236, 76%, 35%)
CMYK	cmyk(76.1%, 70.5%, 0%, 65.5%)
CIE-LAB	lab(13.25, 21.43, -38.00)
CIE-LCH	lch(13.25, 43.63, 299.42°)
OKLab	oklab(26.08% 0.0048 -0.1098)
OKLCH	oklch(26.08% 0.11 272.5)
XYZ	xyz(2.4395, 1.6026, 9.4114)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A58 #585315

analogous

#153C58 #151A58 #321558

triadic

#151A58 #58151A #1A5815

tetradic

#151A58 #58153C #585315 #155832

square

#151A58 #58153C #585315 #155832

split-complementary

#151A58 #583215 #3C5815

monochromatic

#060719 #090B27 #151A58 #212989 #2D37BB

Accessibility & contrast

On white

15.90

#151A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A58

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A58	#FFFFFF	#000000	##FFFFFF
##151A58	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#001F57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151a58;
/* rgb */ color: rgb(21, 26, 88);
/* oklch */ color: oklch(26.1% 0.110 272.5);

Tailwind

colors: {
  custom: {
    50: '#5e5688',
    500: '#151a58',
    950: '#000000',
  },
}

SCSS

$custom: #151a58;
$custom-light: #5e5688;
$custom-dark: #000000;

JSON

{
  "hex": "#151a58",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 88
  },
  "hsl": {
    "h": 235.522,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26081,
    "c": 0.10989,
    "h": 272.5
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#151A58

secondary

#908939

accent

#D943E5

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #151A58

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

Preview Lab → · Contrast checker → · Palette generator →