#213E5B#213E5B

#213E5B is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.062 H 249.9°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#213E5B
RGB	rgb(33, 62, 91)
HSL	hsl(210, 47%, 24%)
HSV	hsv(210, 64%, 36%)
CMYK	cmyk(63.7%, 31.9%, 0%, 64.3%)
CIE-LAB	lab(25.33, -0.86, -20.59)
CIE-LCH	lch(25.33, 20.60, 267.61°)
OKLab	oklab(35.56% -0.0212 -0.058)
OKLCH	oklch(35.56% 0.062 249.9)
XYZ	xyz(4.2375, 4.5235, 10.5453)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213E5B #5B3E21

analogous

#215B5B #213E5B #21215B

triadic

#213E5B #5B213E #3E5B21

tetradic

#213E5B #5B215B #5B3E21 #215B21

square

#213E5B #5B215B #5B3E21 #215B21

split-complementary

#213E5B #5B2121 #5B5B21

monochromatic

#080F16 #111F2E #213E5B #315D88 #427BB5

Accessibility & contrast

On white

11.02

#213E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#213E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213E5B

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213E5B	#FFFFFF	#000000	##FFFFFF
##213E5B	1.00	11.02	1.90	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323F5C

Deuteranopia (green-blind)

#2A3A5A

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #213e5b;
/* rgb */ color: rgb(33, 62, 91);
/* oklch */ color: oklch(35.6% 0.062 249.9);

Tailwind

colors: {
  custom: {
    50: '#627389',
    500: '#213e5b',
    950: '#000000',
  },
}

SCSS

$custom: #213e5b;
$custom-light: #627389;
$custom-dark: #000000;

JSON

{
  "hex": "#213e5b",
  "rgb": {
    "r": 33,
    "g": 62,
    "b": 91
  },
  "hsl": {
    "h": 210,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35558,
    "c": 0.06172,
    "h": 249.9
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary

#213E5B

secondary

#8F6C49

accent

#9451D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #213E5B

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

Preview Lab → · Contrast checker → · Palette generator →