#151F74#151F74

#151F74 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.143 H 269.5°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#151F74
RGB	rgb(21, 31, 116)
HSL	hsl(234, 69%, 27%)
HSV	hsv(234, 82%, 45%)
CMYK	cmyk(81.9%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(17.46, 28.98, -49.53)
CIE-LCH	lch(17.46, 57.38, 300.33°)
OKLab	oklab(30.03% -0.0013 -0.1434)
OKLCH	oklch(30.03% 0.143 269.5)
XYZ	xyz(3.9506, 2.3999, 16.7746)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F74 #746A15

analogous

#154F74 #151F74 #3B1574

triadic

#151F74 #74151F #1F7415

tetradic

#151F74 #74154F #746A15 #15743B

square

#151F74 #74154F #746A15 #15743B

split-complementary

#151F74 #743B15 #4F7415

monochromatic

#05071A #0C1140 #151F74 #1E2DA8 #2B3DD9

Accessibility & contrast

On white

14.19

#151F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#151F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F74

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F74	#FFFFFF	#000000	##FFFFFF
##151F74	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F77

Deuteranopia (green-blind)

#002672

Tritanopia (blue-blind)

#003747

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151f74;
/* rgb */ color: rgb(21, 31, 116);
/* oklch */ color: oklch(30.0% 0.143 269.5);

Tailwind

colors: {
  custom: {
    50: '#655b9d',
    500: '#151f74',
    950: '#000000',
  },
}

SCSS

$custom: #151f74;
$custom-light: #655b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#151f74",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 233.684,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30029,
    "c": 0.14345,
    "h": 269.5
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#151F74

secondary

#AA9E3B

accent

#DA3CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #151F74

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

Preview Lab → · Contrast checker → · Palette generator →