#21729E#21729E

#21729E is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.5% C 0.102 H 237.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#21729E
RGB	rgb(33, 114, 158)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 62%)
CMYK	cmyk(79.1%, 27.8%, 0%, 38%)
CIE-LAB	lab(45.39, -8.25, -30.53)
CIE-LCH	lch(45.39, 31.63, 254.88°)
OKLab	oklab(52.53% -0.0546 -0.0863)
OKLCH	oklch(52.53% 0.102 237.7)
XYZ	xyz(12.8136, 14.8250, 34.5273)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21729E #9E4D21

analogous

#219E8C #21729E #21349E

triadic

#21729E #9E2172 #729E21

tetradic

#21729E #8C219E #9E4D21 #349E21

square

#21729E #8C219E #9E4D21 #349E21

split-complementary

#21729E #9E2134 #9E8C21

monochromatic

#0C2939 #164D6B #21729E #2C97D1 #5CB0DD

Accessibility & contrast

On white

5.30

#21729E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#21729E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21729E

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21729E	#FFFFFF	#000000	##FFFFFF
##21729E	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D72A0

Deuteranopia (green-blind)

#4C669D

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21729e;
/* rgb */ color: rgb(33, 114, 158);
/* oklch */ color: oklch(52.5% 0.102 237.7);

Tailwind

colors: {
  custom: {
    50: '#709abb',
    500: '#21729e',
    950: '#000000',
  },
}

SCSS

$custom: #21729e;
$custom-light: #709abb;
$custom-dark: #000000;

JSON

{
  "hex": "#21729e",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 158
  },
  "hsl": {
    "h": 201.12,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.5253,
    "c": 0.10212,
    "h": 237.7
  },
  "luminance": 0.14827
}

Semantic roles & 50–950 ramp

primary

#21729E

secondary

#C17E59

accent

#7B3FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21729E

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

Preview Lab → · Contrast checker → · Palette generator →