#21748A#21748A

#21748A is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.0% C 0.083 H 219.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#21748A
RGB	rgb(33, 116, 138)
HSL	hsl(193, 61%, 34%)
HSV	hsv(193, 76%, 54%)
CMYK	cmyk(76.1%, 15.9%, 0%, 45.9%)
CIE-LAB	lab(45.15, -16.57, -19.07)
CIE-LCH	lch(45.15, 25.26, 229.01°)
OKLab	oklab(52.04% -0.0642 -0.0533)
OKLCH	oklch(52.04% 0.083 219.7)
XYZ	xyz(11.4581, 14.6477, 26.2632)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21748A #8A3721

analogous

#218A6B #21748A #213F8A

triadic

#21748A #8A2174 #748A21

tetradic

#21748A #6B218A #8A3721 #3F8A21

square

#21748A #6B218A #8A3721 #3F8A21

split-complementary

#21748A #8A213F #8A6B21

monochromatic

#092127 #154A59 #21748A #2D9EBB #50B9D5

Accessibility & contrast

On white

5.34

#21748A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#21748A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21748A

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21748A	#FFFFFF	#000000	##FFFFFF
##21748A	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718B

Deuteranopia (green-blind)

#58668A

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21748a;
/* rgb */ color: rgb(33, 116, 138);
/* oklch */ color: oklch(52.0% 0.083 219.7);

Tailwind

colors: {
  custom: {
    50: '#6d9cac',
    500: '#21748a',
    950: '#000000',
  },
}

SCSS

$custom: #21748a;
$custom-light: #6d9cac;
$custom-dark: #000000;

JSON

{
  "hex": "#21748a",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 138
  },
  "hsl": {
    "h": 192.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.52044,
    "c": 0.08346,
    "h": 219.7
  },
  "luminance": 0.14649
}

Semantic roles & 50–950 ramp

primary

#21748A

secondary

#B9654E

accent

#6543E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21748A

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

Preview Lab → · Contrast checker → · Palette generator →