#151A7C#151A7C

#151A7C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.159 H 269.8°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#151A7C
RGB	rgb(21, 26, 124)
HSL	hsl(237, 71%, 28%)
HSV	hsv(237, 83%, 49%)
CMYK	cmyk(83.1%, 79%, 0%, 51.4%)
CIE-LAB	lab(17.24, 35.10, -55.02)
CIE-LCH	lch(17.24, 65.26, 302.53°)
OKLab	oklab(30.14% -0.0004 -0.1594)
OKLCH	oklch(30.14% 0.159 269.8)
XYZ	xyz(4.3155, 2.3530, 19.2916)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A7C #7C7715

analogous

#154D7C #151A7C #43157C

triadic

#151A7C #7C151A #1A7C15

tetradic

#151A7C #7C154D #7C7715 #157C43

square

#151A7C #7C154D #7C7715 #157C43

split-complementary

#151A7C #7C4315 #4D7C15

monochromatic

#04051A #0C0F48 #151A7C #1E25B0 #3038DC

Accessibility & contrast

On white

14.28

#151A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#151A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A7C

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A7C	#FFFFFF	#000000	##FFFFFF
##151A7C	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7F

Deuteranopia (green-blind)

#00257A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #151a7c;
/* rgb */ color: rgb(21, 26, 124);
/* oklch */ color: oklch(30.1% 0.159 269.8);

Tailwind

colors: {
  custom: {
    50: '#6858a3',
    500: '#151a7c',
    950: '#000000',
  },
}

SCSS

$custom: #151a7c;
$custom-light: #6858a3;
$custom-dark: #000000;

JSON

{
  "hex": "#151a7c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 124
  },
  "hsl": {
    "h": 237.087,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30142,
    "c": 0.15938,
    "h": 269.8
  },
  "luminance": 0.02353
}

Semantic roles & 50–950 ramp

primary

#151A7C

secondary

#B1AC3C

accent

#E53AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #151A7C

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

Preview Lab → · Contrast checker → · Palette generator →