#21719B#21719B

#21719B is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.1% C 0.100 H 236.7°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#21719B
RGB	rgb(33, 113, 155)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 61%)
CMYK	cmyk(78.7%, 27.1%, 0%, 39.2%)
CIE-LAB	lab(44.94, -8.77, -29.47)
CIE-LCH	lch(44.94, 30.75, 253.44°)
OKLab	oklab(52.12% -0.0547 -0.0832)
OKLCH	oklch(52.12% 0.1 236.7)
XYZ	xyz(12.4464, 14.4986, 33.1465)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21719B #9B4B21

analogous

#219B88 #21719B #21349B

triadic

#21719B #9B2171 #719B21

tetradic

#21719B #88219B #9B4B21 #349B21

square

#21719B #88219B #9B4B21 #349B21

split-complementary

#21719B #9B2134 #9B8821

monochromatic

#0C2736 #164C69 #21719B #2C96CD #5AAFDC

Accessibility & contrast

On white

5.38

#21719B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#21719B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21719B

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21719B	#FFFFFF	#000000	##FFFFFF
##21719B	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D719D

Deuteranopia (green-blind)

#4C659A

Tritanopia (blue-blind)

#007C7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21719b;
/* rgb */ color: rgb(33, 113, 155);
/* oklch */ color: oklch(52.1% 0.100 236.7);

Tailwind

colors: {
  custom: {
    50: '#7099b8',
    500: '#21719b',
    950: '#000000',
  },
}

SCSS

$custom: #21719b;
$custom-light: #7099b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21719b",
  "rgb": {
    "r": 33,
    "g": 113,
    "b": 155
  },
  "hsl": {
    "h": 200.656,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52122,
    "c": 0.09958,
    "h": 236.7
  },
  "luminance": 0.145
}

Semantic roles & 50–950 ramp

primary

#21719B

secondary

#C07C58

accent

#7A40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21719B

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

Preview Lab → · Contrast checker → · Palette generator →