#151A5C#151A5C

#151A5C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.116 H 272.2°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#151A5C
RGB	rgb(21, 26, 92)
HSL	hsl(236, 63%, 22%)
HSV	hsv(236, 77%, 36%)
CMYK	cmyk(77.2%, 71.7%, 0%, 63.9%)
CIE-LAB	lab(13.65, 23.02, -40.02)
CIE-LCH	lch(13.65, 46.17, 299.91°)
OKLab	oklab(26.5% 0.0044 -0.1157)
OKLCH	oklch(26.5% 0.116 272.2)
XYZ	xyz(2.6098, 1.6707, 10.3081)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A5C #5C5715

analogous

#153D5C #151A5C #34155C

triadic

#151A5C #5C151A #1A5C15

tetradic

#151A5C #5C153D #5C5715 #155C34

square

#151A5C #5C153D #5C5715 #155C34

split-complementary

#151A5C #5C3415 #3D5C15

monochromatic

#060719 #0A0C2A #151A5C #20288E #2C36C0

Accessibility & contrast

On white

15.74

#151A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A5C

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A5C	#FFFFFF	#000000	##FFFFFF
##151A5C	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#00205B

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151a5c;
/* rgb */ color: rgb(21, 26, 92);
/* oklch */ color: oklch(26.5% 0.116 272.2);

Tailwind

colors: {
  custom: {
    50: '#5f568b',
    500: '#151a5c',
    950: '#000000',
  },
}

SCSS

$custom: #151a5c;
$custom-light: #5f568b;
$custom-dark: #000000;

JSON

{
  "hex": "#151a5c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 235.775,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26503,
    "c": 0.11578,
    "h": 272.2
  },
  "luminance": 0.01671
}

Semantic roles & 50–950 ramp

primary

#151A5C

secondary

#938D39

accent

#DA42E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151A5C

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

Preview Lab → · Contrast checker → · Palette generator →