#21677D#21677D

#21677D is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.1% C 0.076 H 222.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#21677D
RGB	rgb(33, 103, 125)
HSL	hsl(194, 58%, 31%)
HSV	hsv(194, 74%, 49%)
CMYK	cmyk(73.6%, 17.6%, 0%, 51%)
CIE-LAB	lab(40.42, -13.79, -18.53)
CIE-LCH	lch(40.42, 23.10, 233.36°)
OKLab	oklab(48.07% -0.0558 -0.0518)
OKLCH	oklch(48.07% 0.076 222.9)
XYZ	xyz(9.1776, 11.5034, 21.1348)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21677D #7D3721

analogous

#217D65 #21677D #21397D

triadic

#21677D #7D2167 #677D21

tetradic

#21677D #65217D #7D3721 #397D21

square

#21677D #65217D #7D3721 #397D21

split-complementary

#21677D #7D2139 #7D6521

monochromatic

#07171C #143F4D #21677D #2E8FAD #49AFCF

Accessibility & contrast

On white

6.36

#21677D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#21677D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21677D

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21677D	#FFFFFF	#000000	##FFFFFF
##21677D	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A647E

Deuteranopia (green-blind)

#4E5B7D

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #21677d;
/* rgb */ color: rgb(33, 103, 125);
/* oklch */ color: oklch(48.1% 0.076 222.9);

Tailwind

colors: {
  custom: {
    50: '#6a92a2',
    500: '#21677d',
    950: '#000000',
  },
}

SCSS

$custom: #21677d;
$custom-light: #6a92a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21677d",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 125
  },
  "hsl": {
    "h": 194.348,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4807,
    "c": 0.07612,
    "h": 222.9
  },
  "luminance": 0.11504
}

Semantic roles & 50–950 ramp

primary

#21677D

secondary

#B0624A

accent

#6B46E1

background

#F6F9FA

surface

#ECF1F3

border

#C7CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #21677D

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

Preview Lab → · Contrast checker → · Palette generator →