#213457#213457

#213457 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.7% C 0.067 H 261.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#213457
RGB	rgb(33, 52, 87)
HSL	hsl(219, 45%, 24%)
HSV	hsv(219, 62%, 34%)
CMYK	cmyk(62.1%, 40.2%, 0%, 65.9%)
CIE-LAB	lab(21.83, 4.49, -23.48)
CIE-LCH	lch(21.83, 23.90, 280.82°)
OKLab	oklab(32.75% -0.0096 -0.0665)
OKLCH	oklch(32.75% 0.067 261.8)
XYZ	xyz(3.5749, 3.4671, 9.4958)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213457 #574421

analogous

#214F57 #213457 #292157

triadic

#213457 #572134 #345721

tetradic

#213457 #57214F #574421 #215729

square

#213457 #57214F #574421 #215729

split-complementary

#213457 #572921 #4F5721

monochromatic

#080D16 #10192B #213457 #324F83 #4369B0

Accessibility & contrast

On white

12.40

#213457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#213457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213457

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213457	#FFFFFF	#000000	##FFFFFF
##213457	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253758

Deuteranopia (green-blind)

#1F3256

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #213457;
/* rgb */ color: rgb(33, 52, 87);
/* oklch */ color: oklch(32.7% 0.067 261.8);

Tailwind

colors: {
  custom: {
    50: '#616b86',
    500: '#213457',
    950: '#000000',
  },
}

SCSS

$custom: #213457;
$custom-light: #616b86;
$custom-dark: #000000;

JSON

{
  "hex": "#213457",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 87
  },
  "hsl": {
    "h": 218.889,
    "s": 45,
    "l": 23.529
  },
  "oklch": {
    "l": 0.32746,
    "c": 0.06718,
    "h": 261.8
  },
  "luminance": 0.03467
}

Semantic roles & 50–950 ramp

primary

#213457

secondary

#8B7449

accent

#A753D5

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #213457

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

Preview Lab → · Contrast checker → · Palette generator →