#21545F#21545F

#21545F is a dark, muted cyan. Relative luminance 0.075; OKLCH L 41.6% C 0.057 H 214.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#21545F
RGB	rgb(33, 84, 95)
HSL	hsl(191, 48%, 25%)
HSV	hsv(191, 65%, 37%)
CMYK	cmyk(65.3%, 11.6%, 0%, 62.7%)
CIE-LAB	lab(32.90, -13.21, -11.48)
CIE-LCH	lch(32.90, 17.50, 220.99°)
OKLab	oklab(41.63% -0.047 -0.0319)
OKLCH	oklch(41.63% 0.057 214.2)
XYZ	xyz(5.8622, 7.4896, 11.9609)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21545F #5F2C21

analogous

#215F4B #21545F #21355F

triadic

#21545F #5F2154 #545F21

tetradic

#21545F #4B215F #5F2C21 #355F21

square

#21545F #4B215F #5F2C21 #355F21

split-complementary

#21545F #5F2135 #5F4B21

monochromatic

#081417 #112C32 #21545F #317C8C #41A4BA

Accessibility & contrast

On white

8.41

#21545F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#21545F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21545F

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21545F	#FFFFFF	#000000	##FFFFFF
##21545F	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5160

Deuteranopia (green-blind)

#434A5F

Tritanopia (blue-blind)

#005857

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21545f;
/* rgb */ color: rgb(33, 84, 95);
/* oklch */ color: oklch(41.6% 0.057 214.2);

Tailwind

colors: {
  custom: {
    50: '#64848c',
    500: '#21545f',
    950: '#000000',
  },
}

SCSS

$custom: #21545f;
$custom-light: #64848c;
$custom-dark: #000000;

JSON

{
  "hex": "#21545f",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 95
  },
  "hsl": {
    "h": 190.645,
    "s": 48.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.41633,
    "c": 0.05675,
    "h": 214.2
  },
  "luminance": 0.0749
}

Semantic roles & 50–950 ramp

primary

#21545F

secondary

#935649

accent

#6850D8

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #21545F

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

Preview Lab → · Contrast checker → · Palette generator →