#21748E#21748E

#21748E is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.2% C 0.086 H 223.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#21748E
RGB	rgb(33, 116, 142)
HSL	hsl(194, 62%, 34%)
HSV	hsv(194, 77%, 56%)
CMYK	cmyk(76.8%, 18.3%, 0%, 44.3%)
CIE-LAB	lab(45.31, -15.17, -21.20)
CIE-LCH	lch(45.31, 26.07, 234.40°)
OKLab	oklab(52.23% -0.0626 -0.0594)
OKLCH	oklch(52.23% 0.086 223.5)
XYZ	xyz(11.7531, 14.7657, 27.8166)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21748E #8E3B21

analogous

#218E72 #21748E #213E8E

triadic

#21748E #8E2174 #748E21

tetradic

#21748E #72218E #8E3B21 #3E8E21

square

#21748E #72218E #8E3B21 #3E8E21

split-complementary

#21748E #8E213E #8E7221

monochromatic

#0A232B #154B5C #21748E #2D9DC0 #52B7D7

Accessibility & contrast

On white

5.31

#21748E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#21748E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21748E

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21748E	#FFFFFF	#000000	##FFFFFF
##21748E	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65718F

Deuteranopia (green-blind)

#57678E

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21748e;
/* rgb */ color: rgb(33, 116, 142);
/* oklch */ color: oklch(52.2% 0.086 223.5);

Tailwind

colors: {
  custom: {
    50: '#6e9caf',
    500: '#21748e',
    950: '#000000',
  },
}

SCSS

$custom: #21748e;
$custom-light: #6e9caf;
$custom-dark: #000000;

JSON

{
  "hex": "#21748e",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 142
  },
  "hsl": {
    "h": 194.312,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.08627,
    "h": 223.5
  },
  "luminance": 0.14767
}

Semantic roles & 50–950 ramp

primary

#21748E

secondary

#BA6A50

accent

#6942E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21748E

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

Preview Lab → · Contrast checker → · Palette generator →