#21729D#21729D

#21729D is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.5% C 0.101 H 237.1°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#21729D
RGB	rgb(33, 114, 157)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 62%)
CMYK	cmyk(79%, 27.4%, 0%, 38.4%)
CIE-LAB	lab(45.35, -8.62, -30.02)
CIE-LCH	lch(45.35, 31.23, 253.98°)
OKLab	oklab(52.48% -0.0549 -0.0848)
OKLCH	oklch(52.48% 0.101 237.1)
XYZ	xyz(12.7279, 14.7907, 34.0758)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21729D #9D4C21

analogous

#219D8A #21729D #21349D

triadic

#21729D #9D2172 #729D21

tetradic

#21729D #8A219D #9D4C21 #349D21

square

#21729D #8A219D #9D4C21 #349D21

split-complementary

#21729D #9D2134 #9D8A21

monochromatic

#0C2938 #164D6A #21729D #2C97D0 #5CB0DD

Accessibility & contrast

On white

5.31

#21729D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#21729D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21729D

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21729D	#FFFFFF	#000000	##FFFFFF
##21729D	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D729F

Deuteranopia (green-blind)

#4D669C

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21729d;
/* rgb */ color: rgb(33, 114, 157);
/* oklch */ color: oklch(52.5% 0.101 237.1);

Tailwind

colors: {
  custom: {
    50: '#709aba',
    500: '#21729d',
    950: '#000000',
  },
}

SCSS

$custom: #21729d;
$custom-light: #709aba;
$custom-dark: #000000;

JSON

{
  "hex": "#21729d",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 157
  },
  "hsl": {
    "h": 200.806,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52477,
    "c": 0.10104,
    "h": 237.1
  },
  "luminance": 0.14792
}

Semantic roles & 50–950 ramp

primary

#21729D

secondary

#C17D59

accent

#7A40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21729D

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

Preview Lab → · Contrast checker → · Palette generator →