#151C73#151C73

#151C73 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.145 H 270.1°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#151C73
RGB	rgb(21, 28, 115)
HSL	hsl(236, 69%, 27%)
HSV	hsv(236, 82%, 45%)
CMYK	cmyk(81.7%, 75.7%, 0%, 54.9%)
CIE-LAB	lab(16.64, 30.56, -50.24)
CIE-LCH	lch(16.64, 58.80, 301.31°)
OKLab	oklab(29.4% 0.0002 -0.1455)
OKLCH	oklch(29.4% 0.146 270.1)
XYZ	xyz(3.8180, 2.2273, 16.4450)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C73 #736C15

analogous

#154B73 #151C73 #3D1573

triadic

#151C73 #73151C #1C7315

tetradic

#151C73 #73154B #736C15 #15733D

square

#151C73 #73154B #736C15 #15733D

split-complementary

#151C73 #733D15 #4B7315

monochromatic

#05061A #0C0F3F #151C73 #1E29A7 #2A37D8

Accessibility & contrast

On white

14.53

#151C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C73

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C73	#FFFFFF	#000000	##FFFFFF
##151C73	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002471

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151c73;
/* rgb */ color: rgb(21, 28, 115);
/* oklch */ color: oklch(29.4% 0.145 270.1);

Tailwind

colors: {
  custom: {
    50: '#65599c',
    500: '#151c73',
    950: '#000000',
  },
}

SCSS

$custom: #151c73;
$custom-light: #65599c;
$custom-dark: #000000;

JSON

{
  "hex": "#151c73",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 115
  },
  "hsl": {
    "h": 235.532,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29405,
    "c": 0.1455,
    "h": 270.1
  },
  "luminance": 0.02228
}

Semantic roles & 50–950 ramp

primary

#151C73

secondary

#A9A13B

accent

#DF3CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151C73

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

Preview Lab → · Contrast checker → · Palette generator →