#21758E#21758E

#21758E is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.5% C 0.086 H 222.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#21758E
RGB	rgb(33, 117, 142)
HSL	hsl(194, 62%, 34%)
HSV	hsv(194, 77%, 56%)
CMYK	cmyk(76.8%, 17.6%, 0%, 44.3%)
CIE-LAB	lab(45.63, -15.73, -20.70)
CIE-LCH	lch(45.63, 26.00, 232.77°)
OKLab	oklab(52.49% -0.0636 -0.0579)
OKLCH	oklch(52.49% 0.086 222.3)
XYZ	xyz(11.8689, 14.9975, 27.8552)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21758E #8E3A21

analogous

#218E71 #21758E #213F8E

triadic

#21758E #8E2175 #758E21

tetradic

#21758E #71218E #8E3A21 #3F8E21

square

#21758E #71218E #8E3A21 #3F8E21

split-complementary

#21758E #8E213F #8E7121

monochromatic

#0A232B #154C5C #21758E #2D9EC0 #52B9D7

Accessibility & contrast

On white

5.25

#21758E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#21758E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21758E

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21758E	#FFFFFF	#000000	##FFFFFF
##21758E	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728F

Deuteranopia (green-blind)

#58678E

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #21758e;
/* rgb */ color: rgb(33, 117, 142);
/* oklch */ color: oklch(52.5% 0.086 222.3);

Tailwind

colors: {
  custom: {
    50: '#6e9daf',
    500: '#21758e',
    950: '#000000',
  },
}

SCSS

$custom: #21758e;
$custom-light: #6e9daf;
$custom-dark: #000000;

JSON

{
  "hex": "#21758e",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 142
  },
  "hsl": {
    "h": 193.761,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.52485,
    "c": 0.08606,
    "h": 222.3
  },
  "luminance": 0.14999
}

Semantic roles & 50–950 ramp

primary

#21758E

secondary

#BA6950

accent

#6842E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21758E

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

Preview Lab → · Contrast checker → · Palette generator →