#151E4D#151E4D

#151E4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.087 H 270.9°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#151E4D
RGB	rgb(21, 30, 77)
HSL	hsl(230, 57%, 19%)
HSV	hsv(230, 73%, 30%)
CMYK	cmyk(72.7%, 61%, 0%, 69.8%)
CIE-LAB	lab(13.37, 13.97, -30.31)
CIE-LCH	lch(13.37, 33.38, 294.75°)
OKLab	oklab(25.86% 0.0013 -0.0872)
OKLCH	oklch(25.86% 0.087 270.9)
XYZ	xyz(2.1126, 1.6236, 7.2218)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E4D #4D4415

analogous

#153A4D #151E4D #28154D

triadic

#151E4D #4D151E #1E4D15

tetradic

#151E4D #4D153A #4D4415 #154D28

square

#151E4D #4D153A #4D4415 #154D28

split-complementary

#151E4D #4D2815 #3A4D15

monochromatic

#070918 #080B1D #151E4D #22317D #2F43AD

Accessibility & contrast

On white

15.85

#151E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E4D

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E4D	#FFFFFF	#000000	##FFFFFF
##151E4D	1.00	15.85	1.32	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254F

Deuteranopia (green-blind)

#00204C

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151e4d;
/* rgb */ color: rgb(21, 30, 77);
/* oklch */ color: oklch(25.9% 0.087 270.9);

Tailwind

colors: {
  custom: {
    50: '#5a597f',
    500: '#151e4d',
    950: '#000000',
  },
}

SCSS

$custom: #151e4d;
$custom-light: #5a597f;
$custom-dark: #000000;

JSON

{
  "hex": "#151e4d",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 77
  },
  "hsl": {
    "h": 230.357,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25856,
    "c": 0.08718,
    "h": 270.9
  },
  "luminance": 0.01624
}

Semantic roles & 50–950 ramp

primary

#151E4D

secondary

#857939

accent

#C847E0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #151E4D

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

Preview Lab → · Contrast checker → · Palette generator →