#213B5F#213B5F

#213B5F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.071 H 256.8°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#213B5F
RGB	rgb(33, 59, 95)
HSL	hsl(215, 48%, 25%)
HSV	hsv(215, 65%, 37%)
CMYK	cmyk(65.3%, 37.9%, 0%, 62.7%)
CIE-LAB	lab(24.57, 2.69, -24.39)
CIE-LCH	lch(24.57, 24.54, 276.30°)
OKLab	oklab(35.03% -0.0162 -0.0691)
OKLCH	oklch(35.03% 0.071 256.8)
XYZ	xyz(4.2560, 4.2771, 11.4255)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B5F #5F4521

analogous

#215A5F #213B5F #26215F

triadic

#213B5F #5F213B #3B5F21

tetradic

#213B5F #5F215A #5F4521 #215F26

square

#213B5F #5F215A #5F4521 #215F26

split-complementary

#213B5F #5F2621 #5A5F21

monochromatic

#080E17 #111F32 #213B5F #31578C #4173BA

Accessibility & contrast

On white

11.32

#213B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#213B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B5F

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B5F	#FFFFFF	#000000	##FFFFFF
##213B5F	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3E60

Deuteranopia (green-blind)

#23385E

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #213b5f;
/* rgb */ color: rgb(33, 59, 95);
/* oklch */ color: oklch(35.0% 0.071 256.8);

Tailwind

colors: {
  custom: {
    50: '#63708c',
    500: '#213b5f',
    950: '#000000',
  },
}

SCSS

$custom: #213b5f;
$custom-light: #63708c;
$custom-dark: #000000;

JSON

{
  "hex": "#213b5f",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 95
  },
  "hsl": {
    "h": 214.839,
    "s": 48.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.07094,
    "h": 256.8
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#213B5F

secondary

#937449

accent

#9F50D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #213B5F

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

Preview Lab → · Contrast checker → · Palette generator →