#151FA0#151FA0

#151FA0 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.199 H 267.7°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#151FA0
RGB	rgb(21, 31, 160)
HSL	hsl(236, 77%, 35%)
HSV	hsv(236, 87%, 63%)
CMYK	cmyk(86.9%, 80.6%, 0%, 37.3%)
CIE-LAB	lab(22.57, 44.73, -68.63)
CIE-LCH	lch(22.57, 81.92, 303.10°)
OKLab	oklab(35.16% -0.0079 -0.1989)
OKLCH	oklch(35.16% 0.199 267.7)
XYZ	xyz(7.1422, 3.6766, 33.5841)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151FA0 #A09615

analogous

#1565A0 #151FA0 #5015A0

triadic

#151FA0 #A0151F #1FA015

tetradic

#151FA0 #A01565 #A09615 #15A050

square

#151FA0 #A01565 #A09615 #15A050

split-complementary

#151FA0 #A05015 #65A015

monochromatic

#070A34 #0E156A #151FA0 #1C29D6 #4854E7

Accessibility & contrast

On white

12.10

#151FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#151FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151FA0

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151FA0	#FFFFFF	#000000	##FFFFFF
##151FA0	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #151fa0;
/* rgb */ color: rgb(21, 31, 160);
/* oklch */ color: oklch(35.2% 0.199 267.7);

Tailwind

colors: {
  custom: {
    50: '#725dbe',
    500: '#151fa0',
    950: '#000000',
  },
}

SCSS

$custom: #151fa0;
$custom-light: #725dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#151fa0",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 160
  },
  "hsl": {
    "h": 235.683,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35158,
    "c": 0.19902,
    "h": 267.7
  },
  "luminance": 0.03677
}

Semantic roles & 50–950 ramp

primary

#151FA0

secondary

#C8BF49

accent

#E634F3

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #151FA0

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

Preview Lab → · Contrast checker → · Palette generator →