#151E43#151E43

#151E43 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.071 H 270.3°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#151E43
RGB	rgb(21, 30, 67)
HSL	hsl(228, 52%, 17%)
HSV	hsv(228, 69%, 26%)
CMYK	cmyk(68.7%, 55.2%, 0%, 73.7%)
CIE-LAB	lab(12.56, 9.81, -24.70)
CIE-LCH	lch(12.56, 26.58, 291.67°)
OKLab	oklab(24.99% 0.0004 -0.0706)
OKLCH	oklch(24.99% 0.071 270.3)
XYZ	xyz(1.7863, 1.4931, 5.5032)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E43 #433A15

analogous

#153543 #151E43 #231543

triadic

#151E43 #43151E #1E4315

tetradic

#151E43 #431535 #433A15 #154323

square

#151E43 #431535 #433A15 #154323

split-complementary

#151E43 #432315 #354315

monochromatic

#070A17 #070A17 #151E43 #243372 #3248A0

Accessibility & contrast

On white

16.17

#151E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#151E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E43

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E43	#FFFFFF	#000000	##FFFFFF
##151E43	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2344

Deuteranopia (green-blind)

#041F42

Tritanopia (blue-blind)

#00262D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151e43;
/* rgb */ color: rgb(21, 30, 67);
/* oklch */ color: oklch(25.0% 0.071 270.3);

Tailwind

colors: {
  custom: {
    50: '#585977',
    500: '#151e43',
    950: '#000000',
  },
}

SCSS

$custom: #151e43;
$custom-light: #585977;
$custom-dark: #000000;

JSON

{
  "hex": "#151e43",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 67
  },
  "hsl": {
    "h": 228.261,
    "s": 52.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24988,
    "c": 0.07064,
    "h": 270.3
  },
  "luminance": 0.01493
}

Semantic roles & 50–950 ramp

primary

#151E43

secondary

#7B6E39

accent

#C04CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #151E43

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

Preview Lab → · Contrast checker → · Palette generator →