#151B80#151B80

#151B80 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.164 H 269.5°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#151B80
RGB	rgb(21, 27, 128)
HSL	hsl(237, 72%, 29%)
HSV	hsv(237, 84%, 50%)
CMYK	cmyk(83.6%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(17.92, 35.93, -56.43)
CIE-LCH	lch(17.92, 66.90, 302.49°)
OKLab	oklab(30.76% -0.0015 -0.1635)
OKLCH	oklch(30.76% 0.164 269.5)
XYZ	xyz(4.5961, 2.5013, 20.6584)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B80 #807A15

analogous

#155080 #151B80 #451580

triadic

#151B80 #80151B #1B8015

tetradic

#151B80 #801550 #807A15 #158045

square

#151B80 #801550 #807A15 #158045

split-complementary

#151B80 #804515 #508015

monochromatic

#04061A #0C104B #151B80 #1E26B5 #323CDD

Accessibility & contrast

On white

14.00

#151B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#151B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B80

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B80	#FFFFFF	#000000	##FFFFFF
##151B80	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003183

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #151b80;
/* rgb */ color: rgb(21, 27, 128);
/* oklch */ color: oklch(30.8% 0.164 269.5);

Tailwind

colors: {
  custom: {
    50: '#6959a6',
    500: '#151b80',
    950: '#000000',
  },
}

SCSS

$custom: #151b80;
$custom-light: #6959a6;
$custom-dark: #000000;

JSON

{
  "hex": "#151b80",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 236.636,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30765,
    "c": 0.1635,
    "h": 269.5
  },
  "luminance": 0.02502
}

Semantic roles & 50–950 ramp

primary

#151B80

secondary

#B5AE3C

accent

#E439EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #151B80

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

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