#151D52#151D52

#151D52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.097 H 271.5°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#151D52
RGB	rgb(21, 29, 82)
HSL	hsl(232, 59%, 20%)
HSV	hsv(232, 74%, 32%)
CMYK	cmyk(74.4%, 64.6%, 0%, 67.8%)
CIE-LAB	lab(13.51, 16.80, -33.50)
CIE-LCH	lch(13.51, 37.48, 296.63°)
OKLab	oklab(26.1% 0.0025 -0.0965)
OKLCH	oklch(26.1% 0.097 271.5)
XYZ	xyz(2.2711, 1.6471, 8.1792)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D52 #524A15

analogous

#153B52 #151D52 #2B1552

triadic

#151D52 #52151D #1D5215

tetradic

#151D52 #52153B #524A15 #15522B

square

#151D52 #52153B #524A15 #15522B

split-complementary

#151D52 #522B15 #3B5215

monochromatic

#060918 #090C21 #151D52 #212E83 #2E3FB3

Accessibility & contrast

On white

15.80

#151D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D52

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D52	#FFFFFF	#000000	##FFFFFF
##151D52	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#002051

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151d52;
/* rgb */ color: rgb(21, 29, 82);
/* oklch */ color: oklch(26.1% 0.097 271.5);

Tailwind

colors: {
  custom: {
    50: '#5c5883',
    500: '#151d52',
    950: '#000000',
  },
}

SCSS

$custom: #151d52;
$custom-light: #5c5883;
$custom-dark: #000000;

JSON

{
  "hex": "#151d52",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 82
  },
  "hsl": {
    "h": 232.131,
    "s": 59.223,
    "l": 20.196
  },
  "oklch": {
    "l": 0.261,
    "c": 0.09658,
    "h": 271.5
  },
  "luminance": 0.01647
}

Semantic roles & 50–950 ramp

primary

#151D52

secondary

#8A7F39

accent

#CE45E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #151D52

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

Preview Lab → · Contrast checker → · Palette generator →