#21749A#21749A

#21749A is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.8% C 0.097 H 233.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#21749A
RGB	rgb(33, 116, 154)
HSL	hsl(199, 65%, 37%)
HSV	hsv(199, 79%, 60%)
CMYK	cmyk(78.6%, 24.7%, 0%, 39.6%)
CIE-LAB	lab(45.83, -10.88, -27.49)
CIE-LCH	lch(45.83, 29.56, 248.40°)
OKLab	oklab(52.82% -0.058 -0.0774)
OKLCH	oklch(52.82% 0.097 233.2)
XYZ	xyz(12.7030, 15.1457, 32.8195)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21749A #9A4721

analogous

#219A84 #21749A #21389A

triadic

#21749A #9A2174 #749A21

tetradic

#21749A #84219A #9A4721 #389A21

square

#21749A #84219A #9A4721 #389A21

split-complementary

#21749A #9A2138 #9A8421

monochromatic

#0B2835 #164E68 #21749A #2C9ACC #5AB3DC

Accessibility & contrast

On white

5.21

#21749A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#21749A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21749A

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21749A	#FFFFFF	#000000	##FFFFFF
##21749A	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739C

Deuteranopia (green-blind)

#516899

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21749a;
/* rgb */ color: rgb(33, 116, 154);
/* oklch */ color: oklch(52.8% 0.097 233.2);

Tailwind

colors: {
  custom: {
    50: '#709cb8',
    500: '#21749a',
    950: '#000000',
  },
}

SCSS

$custom: #21749a;
$custom-light: #709cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#21749a",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 154
  },
  "hsl": {
    "h": 198.843,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52818,
    "c": 0.09675,
    "h": 233.2
  },
  "luminance": 0.15147
}

Semantic roles & 50–950 ramp

primary

#21749A

secondary

#C07857

accent

#7540E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21749A

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

Preview Lab → · Contrast checker → · Palette generator →