#21657A#21657A

#21657A is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.074 H 222.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#21657A
RGB	rgb(33, 101, 122)
HSL	hsl(194, 57%, 30%)
HSV	hsv(194, 73%, 48%)
CMYK	cmyk(73%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(39.64, -13.69, -17.90)
CIE-LCH	lch(39.64, 22.54, 232.59°)
OKLab	oklab(47.41% -0.0548 -0.05)
OKLCH	oklch(47.41% 0.074 222.4)
XYZ	xyz(8.7923, 11.0348, 20.0751)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21657A #7A3621

analogous

#217A62 #21657A #21397A

triadic

#21657A #7A2165 #657A21

tetradic

#21657A #62217A #7A3621 #397A21

square

#21657A #62217A #7A3621 #397A21

split-complementary

#21657A #7A2139 #7A6221

monochromatic

#07151A #143D4A #21657A #2E8DAA #48AECD

Accessibility & contrast

On white

6.55

#21657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#21657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21657A

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21657A	#FFFFFF	#000000	##FFFFFF
##21657A	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59627B

Deuteranopia (green-blind)

#4C597A

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21657a;
/* rgb */ color: rgb(33, 101, 122);
/* oklch */ color: oklch(47.4% 0.074 222.4);

Tailwind

colors: {
  custom: {
    50: '#6991a0',
    500: '#21657a',
    950: '#000000',
  },
}

SCSS

$custom: #21657a;
$custom-light: #6991a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21657a",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 194.157,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.47406,
    "c": 0.07422,
    "h": 222.4
  },
  "luminance": 0.11036
}

Semantic roles & 50–950 ramp

primary

#21657A

secondary

#AD614A

accent

#6B47E1

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #21657A

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

Preview Lab → · Contrast checker → · Palette generator →