#21719D#21719D

#21719D is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.2% C 0.102 H 238.0°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#21719D
RGB	rgb(33, 113, 157)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 62%)
CMYK	cmyk(79%, 28%, 0%, 38.4%)
CIE-LAB	lab(45.03, -8.03, -30.51)
CIE-LCH	lch(45.03, 31.54, 255.26°)
OKLab	oklab(52.23% -0.054 -0.0862)
OKLCH	oklch(52.23% 0.102 238)
XYZ	xyz(12.6157, 14.5664, 34.0384)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21719D #9D4D21

analogous

#219D8B #21719D #21339D

triadic

#21719D #9D2171 #719D21

tetradic

#21719D #8B219D #9D4D21 #339D21

square

#21719D #8B219D #9D4D21 #339D21

split-complementary

#21719D #9D2133 #9D8B21

monochromatic

#0C2838 #164D6A #21719D #2C95D0 #5CAFDD

Accessibility & contrast

On white

5.37

#21719D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#21719D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21719D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21719D	#FFFFFF	#000000	##FFFFFF
##21719D	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C719F

Deuteranopia (green-blind)

#4B659C

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21719d;
/* rgb */ color: rgb(33, 113, 157);
/* oklch */ color: oklch(52.2% 0.102 238.0);

Tailwind

colors: {
  custom: {
    50: '#7099ba',
    500: '#21719d',
    950: '#000000',
  },
}

SCSS

$custom: #21719d;
$custom-light: #7099ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21719d",
  "rgb": {
    "r": 33,
    "g": 113,
    "b": 157
  },
  "hsl": {
    "h": 201.29,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.10172,
    "h": 238
  },
  "luminance": 0.14568
}

Semantic roles & 50–950 ramp

primary

#21719D

secondary

#C17E59

accent

#7B40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21719D

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

Preview Lab → · Contrast checker → · Palette generator →