#21749E#21749E

#21749E is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.0% C 0.101 H 235.9°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#21749E
RGB	rgb(33, 116, 158)
HSL	hsl(200, 65%, 37%)
HSV	hsv(200, 79%, 62%)
CMYK	cmyk(79.1%, 26.6%, 0%, 38%)
CIE-LAB	lab(46.02, -9.42, -29.56)
CIE-LCH	lch(46.02, 31.02, 252.32°)
OKLab	oklab(53.03% -0.0565 -0.0834)
OKLCH	oklch(53.03% 0.101 235.9)
XYZ	xyz(13.0417, 15.2812, 34.6033)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21749E #9E4B21

analogous

#219E8A #21749E #21369E

triadic

#21749E #9E2174 #749E21

tetradic

#21749E #8A219E #9E4B21 #369E21

square

#21749E #8A219E #9E4B21 #369E21

split-complementary

#21749E #9E2136 #9E8A21

monochromatic

#0C2A39 #164F6B #21749E #2C99D1 #5CB2DD

Accessibility & contrast

On white

5.18

#21749E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#21749E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21749E

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21749E	#FFFFFF	#000000	##FFFFFF
##21749E	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6073A0

Deuteranopia (green-blind)

#4F689D

Tritanopia (blue-blind)

#007F82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21749e;
/* rgb */ color: rgb(33, 116, 158);
/* oklch */ color: oklch(53.0% 0.101 235.9);

Tailwind

colors: {
  custom: {
    50: '#709cbb',
    500: '#21749e',
    950: '#000000',
  },
}

SCSS

$custom: #21749e;
$custom-light: #709cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21749e",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 158
  },
  "hsl": {
    "h": 200.16,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.53025,
    "c": 0.1008,
    "h": 235.9
  },
  "luminance": 0.15283
}

Semantic roles & 50–950 ramp

primary

#21749E

secondary

#C17C59

accent

#783FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21749E

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

Preview Lab → · Contrast checker → · Palette generator →