#151C7E#151C7E

#151C7E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.160 H 269.5°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#151C7E
RGB	rgb(21, 28, 126)
HSL	hsl(236, 71%, 29%)
HSV	hsv(236, 83%, 49%)
CMYK	cmyk(83.3%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(17.90, 34.62, -55.20)
CIE-LCH	lch(17.90, 65.16, 302.09°)
OKLab	oklab(30.68% -0.0015 -0.1599)
OKLCH	oklch(30.68% 0.16 269.5)
XYZ	xyz(4.4891, 2.4958, 19.9798)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C7E #7E7715

analogous

#15517E #151C7E #43157E

triadic

#151C7E #7E151C #1C7E15

tetradic

#151C7E #7E1551 #7E7715 #157E43

square

#151C7E #7E1551 #7E7715 #157E43

split-complementary

#151C7E #7E4315 #517E15

monochromatic

#04061A #0C104A #151C7E #1E28B2 #313CDD

Accessibility & contrast

On white

14.01

#151C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#151C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C7E

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C7E	#FFFFFF	#000000	##FFFFFF
##151C7E	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #151c7e;
/* rgb */ color: rgb(21, 28, 126);
/* oklch */ color: oklch(30.7% 0.160 269.5);

Tailwind

colors: {
  custom: {
    50: '#6859a5',
    500: '#151c7e',
    950: '#000000',
  },
}

SCSS

$custom: #151c7e;
$custom-light: #6859a5;
$custom-dark: #000000;

JSON

{
  "hex": "#151c7e",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 236,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30678,
    "c": 0.15994,
    "h": 269.5
  },
  "luminance": 0.02496
}

Semantic roles & 50–950 ramp

primary

#151C7E

secondary

#B3AB3C

accent

#E23AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #151C7E

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

Preview Lab → · Contrast checker → · Palette generator →