#151A8F#151A8F

#151A8F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.183 H 268.8°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#151A8F
RGB	rgb(21, 26, 143)
HSL	hsl(238, 74%, 32%)
HSV	hsv(238, 85%, 56%)
CMYK	cmyk(85.3%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(19.56, 41.69, -63.15)
CIE-LCH	lch(19.56, 75.67, 303.43°)
OKLab	oklab(32.45% -0.004 -0.1829)
OKLCH	oklch(32.45% 0.183 268.8)
XYZ	xyz(5.6349, 2.8807, 26.2403)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A8F #8F8A15

analogous

#15578F #151A8F #4D158F

triadic

#151A8F #8F151A #1A8F15

tetradic

#151A8F #8F1557 #8F8A15 #158F4D

square

#151A8F #8F1557 #8F8A15 #158F4D

split-complementary

#151A8F #8F4D15 #578F15

monochromatic

#050724 #0D105A #151A8F #1D24C4 #3C43E2

Accessibility & contrast

On white

13.32

#151A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#151A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A8F

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A8F	#FFFFFF	#000000	##FFFFFF
##151A8F	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00298D

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #151a8f;
/* rgb */ color: rgb(21, 26, 143);
/* oklch */ color: oklch(32.4% 0.183 268.8);

Tailwind

colors: {
  custom: {
    50: '#6d59b1',
    500: '#151a8f',
    950: '#000000',
  },
}

SCSS

$custom: #151a8f;
$custom-light: #6d59b1;
$custom-dark: #000000;

JSON

{
  "hex": "#151a8f",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 237.541,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32445,
    "c": 0.18297,
    "h": 268.8
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#151A8F

secondary

#C2BD3E

accent

#E937F1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #151A8F

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

Preview Lab → · Contrast checker → · Palette generator →