#21748C#21748C

#21748C is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.1% C 0.085 H 221.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#21748C
RGB	rgb(33, 116, 140)
HSL	hsl(193, 62%, 34%)
HSV	hsv(193, 76%, 55%)
CMYK	cmyk(76.4%, 17.1%, 0%, 45.1%)
CIE-LAB	lab(45.23, -15.87, -20.13)
CIE-LCH	lch(45.23, 25.64, 231.75°)
OKLab	oklab(52.14% -0.0634 -0.0563)
OKLCH	oklch(52.14% 0.085 221.6)
XYZ	xyz(11.6042, 14.7062, 27.0328)
Luminance	0.1471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21748C #8C3921

analogous

#218C6F #21748C #213F8C

triadic

#21748C #8C2174 #748C21

tetradic

#21748C #6F218C #8C3921 #3F8C21

square

#21748C #6F218C #8C3921 #3F8C21

split-complementary

#21748C #8C213F #8C6F21

monochromatic

#0A2229 #154B5A #21748C #2D9DBE #51B8D6

Accessibility & contrast

On white

5.33

#21748C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#21748C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21748C

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21748C	#FFFFFF	#000000	##FFFFFF
##21748C	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718D

Deuteranopia (green-blind)

#57668C

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21748c;
/* rgb */ color: rgb(33, 116, 140);
/* oklch */ color: oklch(52.1% 0.085 221.6);

Tailwind

colors: {
  custom: {
    50: '#6d9cad',
    500: '#21748c',
    950: '#000000',
  },
}

SCSS

$custom: #21748c;
$custom-light: #6d9cad;
$custom-dark: #000000;

JSON

{
  "hex": "#21748c",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 140
  },
  "hsl": {
    "h": 193.458,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.52136,
    "c": 0.08481,
    "h": 221.6
  },
  "luminance": 0.14708
}

Semantic roles & 50–950 ramp

primary

#21748C

secondary

#B9674F

accent

#6743E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21748C

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

Preview Lab → · Contrast checker → · Palette generator →