#151F76#151F76

#151F76 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.146 H 269.4°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#151F76
RGB	rgb(21, 31, 118)
HSL	hsl(234, 70%, 27%)
HSV	hsv(234, 82%, 46%)
CMYK	cmyk(82.2%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(17.68, 29.74, -50.46)
CIE-LCH	lch(17.68, 58.57, 300.52°)
OKLab	oklab(30.25% -0.0016 -0.1461)
OKLCH	oklch(30.25% 0.146 269.4)
XYZ	xyz(4.0681, 2.4469, 17.3939)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F76 #766C15

analogous

#155076 #151F76 #3B1576

triadic

#151F76 #76151F #1F7615

tetradic

#151F76 #761550 #766C15 #15763B

square

#151F76 #761550 #766C15 #15763B

split-complementary

#151F76 #763B15 #507615

monochromatic

#05071A #0C1142 #151F76 #1E2DAA #2C3ED9

Accessibility & contrast

On white

14.10

#151F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#151F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F76

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F76	#FFFFFF	#000000	##FFFFFF
##151F76	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002774

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151f76;
/* rgb */ color: rgb(21, 31, 118);
/* oklch */ color: oklch(30.3% 0.146 269.4);

Tailwind

colors: {
  custom: {
    50: '#665b9e',
    500: '#151f76',
    950: '#000000',
  },
}

SCSS

$custom: #151f76;
$custom-light: #665b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#151f76",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 233.814,
    "s": 69.784,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30251,
    "c": 0.14615,
    "h": 269.4
  },
  "luminance": 0.02447
}

Semantic roles & 50–950 ramp

primary

#151F76

secondary

#ACA03B

accent

#DA3BED

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #151F76

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

Preview Lab → · Contrast checker → · Palette generator →