#21748D#21748D

#21748D is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.2% C 0.086 H 222.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#21748D
RGB	rgb(33, 116, 141)
HSL	hsl(194, 62%, 34%)
HSV	hsv(194, 77%, 55%)
CMYK	cmyk(76.6%, 17.7%, 0%, 44.7%)
CIE-LAB	lab(45.27, -15.52, -20.66)
CIE-LCH	lch(45.27, 25.85, 233.08°)
OKLab	oklab(52.18% -0.063 -0.0578)
OKLCH	oklch(52.18% 0.086 222.6)
XYZ	xyz(11.6783, 14.7358, 27.4229)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21748D #8D3A21

analogous

#218D70 #21748D #213E8D

triadic

#21748D #8D2174 #748D21

tetradic

#21748D #70218D #8D3A21 #3E8D21

square

#21748D #70218D #8D3A21 #3E8D21

split-complementary

#21748D #8D213E #8D7021

monochromatic

#0A222A #154B5B #21748D #2D9DBF #52B8D6

Accessibility & contrast

On white

5.32

#21748D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#21748D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21748D

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21748D	#FFFFFF	#000000	##FFFFFF
##21748D	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718E

Deuteranopia (green-blind)

#57678D

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21748d;
/* rgb */ color: rgb(33, 116, 141);
/* oklch */ color: oklch(52.2% 0.086 222.6);

Tailwind

colors: {
  custom: {
    50: '#6e9cae',
    500: '#21748d',
    950: '#000000',
  },
}

SCSS

$custom: #21748d;
$custom-light: #6e9cae;
$custom-dark: #000000;

JSON

{
  "hex": "#21748d",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 141
  },
  "hsl": {
    "h": 193.889,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.52182,
    "c": 0.08552,
    "h": 222.6
  },
  "luminance": 0.14737
}

Semantic roles & 50–950 ramp

primary

#21748D

secondary

#BA6850

accent

#6843E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21748D

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

Preview Lab → · Contrast checker → · Palette generator →