#151C7C#151C7C

#151C7C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.157 H 269.6°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#151C7C
RGB	rgb(21, 28, 124)
HSL	hsl(236, 71%, 28%)
HSV	hsv(236, 83%, 49%)
CMYK	cmyk(83.1%, 77.4%, 0%, 51.4%)
CIE-LAB	lab(17.67, 33.89, -54.31)
CIE-LCH	lch(17.67, 64.02, 301.96°)
OKLab	oklab(30.44% -0.0012 -0.1573)
OKLCH	oklch(30.44% 0.157 269.6)
XYZ	xyz(4.3614, 2.4447, 19.3069)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C7C #7C7515

analogous

#154F7C #151C7C #41157C

triadic

#151C7C #7C151C #1C7C15

tetradic

#151C7C #7C154F #7C7515 #157C41

square

#151C7C #7C154F #7C7515 #157C41

split-complementary

#151C7C #7C4115 #4F7C15

monochromatic

#04061A #0C1048 #151C7C #1E28B0 #303BDC

Accessibility & contrast

On white

14.10

#151C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#151C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C7C

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C7C	#FFFFFF	#000000	##FFFFFF
##151C7C	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)

#00307F

Deuteranopia (green-blind)

#00267A

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151c7c;
/* rgb */ color: rgb(21, 28, 124);
/* oklch */ color: oklch(30.4% 0.157 269.6);

Tailwind

colors: {
  custom: {
    50: '#6859a3',
    500: '#151c7c',
    950: '#000000',
  },
}

SCSS

$custom: #151c7c;
$custom-light: #6859a3;
$custom-dark: #000000;

JSON

{
  "hex": "#151c7c",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 124
  },
  "hsl": {
    "h": 235.922,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30444,
    "c": 0.15735,
    "h": 269.6
  },
  "luminance": 0.02445
}

Semantic roles & 50–950 ramp

primary

#151C7C

secondary

#B1A93C

accent

#E23AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #151C7C

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

Preview Lab → · Contrast checker → · Palette generator →