#21435D#21435D

#21435D is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.0% C 0.060 H 243.5°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#21435D
RGB	rgb(33, 67, 93)
HSL	hsl(206, 48%, 25%)
HSV	hsv(206, 65%, 36%)
CMYK	cmyk(64.5%, 28%, 0%, 63.5%)
CIE-LAB	lab(27.09, -3.42, -19.13)
CIE-LCH	lch(27.09, 19.43, 259.87°)
OKLab	oklab(36.98% -0.0267 -0.0537)
OKLCH	oklch(36.98% 0.06 243.5)
XYZ	xyz(4.6094, 5.1275, 11.1006)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21435D #5D3B21

analogous

#215D59 #21435D #21255D

triadic

#21435D #5D2143 #435D21

tetradic

#21435D #59215D #5D3B21 #255D21

square

#21435D #59215D #5D3B21 #255D21

split-complementary

#21435D #5D2125 #5D5921

monochromatic

#081017 #112230 #21435D #31648A #4184B7

Accessibility & contrast

On white

10.37

#21435D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#21435D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21435D

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21435D	#FFFFFF	#000000	##FFFFFF
##21435D	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38435E

Deuteranopia (green-blind)

#2F3D5D

Tritanopia (blue-blind)

#00494C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #21435d;
/* rgb */ color: rgb(33, 67, 93);
/* oklch */ color: oklch(37.0% 0.060 243.5);

Tailwind

colors: {
  custom: {
    50: '#63778b',
    500: '#21435d',
    950: '#000000',
  },
}

SCSS

$custom: #21435d;
$custom-light: #63778b;
$custom-dark: #000000;

JSON

{
  "hex": "#21435d",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 93
  },
  "hsl": {
    "h": 206,
    "s": 47.619,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36981,
    "c": 0.06002,
    "h": 243.5
  },
  "luminance": 0.05128
}

Semantic roles & 50–950 ramp

primary

#21435D

secondary

#916849

accent

#8B51D7

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #21435D

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

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