#213657#213657

#213657 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.3% C 0.065 H 259.1°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#213657
RGB	rgb(33, 54, 87)
HSL	hsl(217, 45%, 24%)
HSV	hsv(217, 62%, 34%)
CMYK	cmyk(62.1%, 37.9%, 0%, 65.9%)
CIE-LAB	lab(22.48, 3.09, -22.45)
CIE-LCH	lch(22.48, 22.66, 277.83°)
OKLab	oklab(33.25% -0.0122 -0.0635)
OKLCH	oklch(33.25% 0.065 259.1)
XYZ	xyz(3.6661, 3.6495, 9.5262)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213657 #574221

analogous

#215157 #213657 #272157

triadic

#213657 #572136 #365721

tetradic

#213657 #572151 #574221 #215727

square

#213657 #572151 #574221 #215727

split-complementary

#213657 #572721 #515721

monochromatic

#080E16 #101A2B #213657 #325283 #436DB0

Accessibility & contrast

On white

12.14

#213657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#213657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213657

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213657	#FFFFFF	#000000	##FFFFFF
##213657	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283858

Deuteranopia (green-blind)

#223356

Tritanopia (blue-blind)

#003D42

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #213657;
/* rgb */ color: rgb(33, 54, 87);
/* oklch */ color: oklch(33.3% 0.065 259.1);

Tailwind

colors: {
  custom: {
    50: '#616c86',
    500: '#213657',
    950: '#000000',
  },
}

SCSS

$custom: #213657;
$custom-light: #616c86;
$custom-dark: #000000;

JSON

{
  "hex": "#213657",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 87
  },
  "hsl": {
    "h": 216.667,
    "s": 45,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33253,
    "c": 0.06463,
    "h": 259.1
  },
  "luminance": 0.0365
}

Semantic roles & 50–950 ramp

primary

#213657

secondary

#8B7149

accent

#A253D5

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05070B

muted

#797A7C

Preview Lab

Preview with #213657

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

Preview Lab → · Contrast checker → · Palette generator →