#21749C#21749C

#21749C is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.9% C 0.099 H 234.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#21749C
RGB	rgb(33, 116, 156)
HSL	hsl(200, 65%, 37%)
HSV	hsv(200, 79%, 61%)
CMYK	cmyk(78.8%, 25.6%, 0%, 38.8%)
CIE-LAB	lab(45.92, -10.16, -28.53)
CIE-LCH	lch(45.92, 30.28, 250.40°)
OKLab	oklab(52.92% -0.0573 -0.0804)
OKLCH	oklch(52.92% 0.099 234.6)
XYZ	xyz(12.8709, 15.2129, 33.7041)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21749C #9C4921

analogous

#219C87 #21749C #21379C

triadic

#21749C #9C2174 #749C21

tetradic

#21749C #87219C #9C4921 #379C21

square

#21749C #87219C #9C4921 #379C21

split-complementary

#21749C #9C2137 #9C8721

monochromatic

#0C2937 #164E69 #21749C #2C9ACF #5BB2DC

Accessibility & contrast

On white

5.19

#21749C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#21749C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21749C

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21749C	#FFFFFF	#000000	##FFFFFF
##21749C	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60739E

Deuteranopia (green-blind)

#50689B

Tritanopia (blue-blind)

#007F82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21749c;
/* rgb */ color: rgb(33, 116, 156);
/* oklch */ color: oklch(52.9% 0.099 234.6);

Tailwind

colors: {
  custom: {
    50: '#709cb9',
    500: '#21749c',
    950: '#000000',
  },
}

SCSS

$custom: #21749c;
$custom-light: #709cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#21749c",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 156
  },
  "hsl": {
    "h": 199.512,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.52921,
    "c": 0.09875,
    "h": 234.6
  },
  "luminance": 0.15214
}

Semantic roles & 50–950 ramp

primary

#21749C

secondary

#C17A58

accent

#7640E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21749C

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

Preview Lab → · Contrast checker → · Palette generator →