#153371#153371

#153371 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.113 H 262.6°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#153371
RGB	rgb(21, 51, 113)
HSL	hsl(220, 69%, 26%)
HSV	hsv(220, 81%, 44%)
CMYK	cmyk(81.4%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(22.72, 13.62, -39.01)
CIE-LCH	lch(22.72, 41.32, 289.25°)
OKLab	oklab(33.85% -0.0147 -0.1124)
OKLCH	oklch(33.85% 0.113 262.6)
XYZ	xyz(4.4727, 3.7188, 16.1017)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153371 #715315

analogous

#156171 #153371 #251571

triadic

#153371 #711533 #337115

tetradic

#153371 #711561 #715315 #157125

square

#153371 #711561 #715315 #157125

split-complementary

#153371 #712515 #617115

monochromatic

#050C1A #0B1C3D #153371 #1F4AA5 #2962D7

Accessibility & contrast

On white

12.04

#153371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#153371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153371

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153371	#FFFFFF	#000000	##FFFFFF
##153371	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073B73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #153371;
/* rgb */ color: rgb(21, 51, 113);
/* oklch */ color: oklch(33.8% 0.113 262.6);

Tailwind

colors: {
  custom: {
    50: '#626a9a',
    500: '#153371',
    950: '#000000',
  },
}

SCSS

$custom: #153371;
$custom-light: #626a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#153371",
  "rgb": {
    "r": 21,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 220.435,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33849,
    "c": 0.11331,
    "h": 262.6
  },
  "luminance": 0.03719
}

Semantic roles & 50–950 ramp

primary

#153371

secondary

#A7843B

accent

#B23CEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #153371

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

Preview Lab → · Contrast checker → · Palette generator →