#21749F#21749F

#21749F is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.102 H 236.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#21749F
RGB	rgb(33, 116, 159)
HSL	hsl(200, 66%, 38%)
HSV	hsv(200, 79%, 62%)
CMYK	cmyk(79.2%, 27%, 0%, 37.6%)
CIE-LAB	lab(46.06, -9.06, -30.07)
CIE-LCH	lch(46.06, 31.41, 253.24°)
OKLab	oklab(53.08% -0.0562 -0.0849)
OKLCH	oklch(53.08% 0.102 236.5)
XYZ	xyz(13.1281, 15.3157, 35.0585)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21749F #9F4C21

analogous

#219F8B #21749F #21359F

triadic

#21749F #9F2174 #749F21

tetradic

#21749F #8B219F #9F4C21 #359F21

square

#21749F #8B219F #9F4C21 #359F21

split-complementary

#21749F #9F2135 #9F8B21

monochromatic

#0C2A3A #164F6C #21749F #2C99D2 #5DB2DD

Accessibility & contrast

On white

5.17

#21749F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#21749F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21749F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21749F	#FFFFFF	#000000	##FFFFFF
##21749F	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F74A1

Deuteranopia (green-blind)

#4E689E

Tritanopia (blue-blind)

#007F83

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21749f;
/* rgb */ color: rgb(33, 116, 159);
/* oklch */ color: oklch(53.1% 0.102 236.5);

Tailwind

colors: {
  custom: {
    50: '#719bbb',
    500: '#21749f',
    950: '#000000',
  },
}

SCSS

$custom: #21749f;
$custom-light: #719bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21749f",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 159
  },
  "hsl": {
    "h": 200.476,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53078,
    "c": 0.10184,
    "h": 236.5
  },
  "luminance": 0.15317
}

Semantic roles & 50–950 ramp

primary

#21749F

secondary

#C27D5A

accent

#793FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #21749F

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

Preview Lab → · Contrast checker → · Palette generator →