#151A73#151A73

#151A73 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.148 H 270.4°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#151A73
RGB	rgb(21, 26, 115)
HSL	hsl(237, 69%, 27%)
HSV	hsv(237, 82%, 45%)
CMYK	cmyk(81.7%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(16.18, 31.83, -50.99)
CIE-LCH	lch(16.18, 60.11, 301.97°)
OKLab	oklab(29.08% 0.0011 -0.1477)
OKLCH	oklch(29.08% 0.148 270.4)
XYZ	xyz(3.7721, 2.1356, 16.4297)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A73 #736E15

analogous

#154973 #151A73 #3F1573

triadic

#151A73 #73151A #1A7315

tetradic

#151A73 #731549 #736E15 #15733F

square

#151A73 #731549 #736E15 #15733F

split-complementary

#151A73 #733F15 #497315

monochromatic

#05061A #0C0E3F #151A73 #1E26A7 #2A33D8

Accessibility & contrast

On white

14.71

#151A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#151A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A73

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A73	#FFFFFF	#000000	##FFFFFF
##151A73	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151a73;
/* rgb */ color: rgb(21, 26, 115);
/* oklch */ color: oklch(29.1% 0.148 270.4);

Tailwind

colors: {
  custom: {
    50: '#65579c',
    500: '#151a73',
    950: '#000000',
  },
}

SCSS

$custom: #151a73;
$custom-light: #65579c;
$custom-dark: #000000;

JSON

{
  "hex": "#151a73",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 236.809,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29081,
    "c": 0.14767,
    "h": 270.4
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#151A73

secondary

#A9A33B

accent

#E33CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151A73

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

Preview Lab → · Contrast checker → · Palette generator →