#21677A#21677A

#21677A is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 47.9% C 0.074 H 219.6°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#21677A
RGB	rgb(33, 103, 122)
HSL	hsl(193, 57%, 30%)
HSV	hsv(193, 73%, 48%)
CMYK	cmyk(73%, 15.6%, 0%, 52.2%)
CIE-LAB	lab(40.29, -14.84, -16.90)
CIE-LCH	lch(40.29, 22.49, 228.72°)
OKLab	oklab(47.93% -0.057 -0.0472)
OKLCH	oklch(47.93% 0.074 219.6)
XYZ	xyz(8.9888, 11.4279, 20.1407)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21677A #7A3421

analogous

#217A60 #21677A #213A7A

triadic

#21677A #7A2167 #677A21

tetradic

#21677A #60217A #7A3421 #3A7A21

square

#21677A #60217A #7A3421 #3A7A21

split-complementary

#21677A #7A213A #7A6021

monochromatic

#07161A #143E4A #21677A #2E90AA #48B1CD

Accessibility & contrast

On white

6.39

#21677A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#21677A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21677A

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21677A	#FFFFFF	#000000	##FFFFFF
##21677A	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B647B

Deuteranopia (green-blind)

#4F5B7A

Tritanopia (blue-blind)

#006D6D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #21677a;
/* rgb */ color: rgb(33, 103, 122);
/* oklch */ color: oklch(47.9% 0.074 219.6);

Tailwind

colors: {
  custom: {
    50: '#6992a0',
    500: '#21677a',
    950: '#000000',
  },
}

SCSS

$custom: #21677a;
$custom-light: #6992a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21677a",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 122
  },
  "hsl": {
    "h": 192.809,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.4793,
    "c": 0.07401,
    "h": 219.6
  },
  "luminance": 0.11429
}

Semantic roles & 50–950 ramp

primary

#21677A

secondary

#AD5F4A

accent

#6847E1

background

#F6F9F9

surface

#ECF1F2

border

#C7CBCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #21677A

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

Preview Lab → · Contrast checker → · Palette generator →