#21687E#21687E

#21687E is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.4% C 0.077 H 222.6°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#21687E
RGB	rgb(33, 104, 126)
HSL	hsl(194, 58%, 31%)
HSV	hsv(194, 74%, 49%)
CMYK	cmyk(73.8%, 17.5%, 0%, 50.6%)
CIE-LAB	lab(40.78, -14.01, -18.57)
CIE-LCH	lch(40.78, 23.26, 232.98°)
OKLab	oklab(48.38% -0.0564 -0.0519)
OKLCH	oklch(48.38% 0.077 222.6)
XYZ	xyz(9.3419, 11.7292, 21.5062)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21687E #7E3721

analogous

#217E65 #21687E #21397E

triadic

#21687E #7E2168 #687E21

tetradic

#21687E #65217E #7E3721 #397E21

square

#21687E #65217E #7E3721 #397E21

split-complementary

#21687E #7E2139 #7E6521

monochromatic

#08181D #14404E #21687E #2E90AE #4AB0D0

Accessibility & contrast

On white

6.28

#21687E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#21687E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21687E

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21687E	#FFFFFF	#000000	##FFFFFF
##21687E	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B657F

Deuteranopia (green-blind)

#4E5C7E

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #21687e;
/* rgb */ color: rgb(33, 104, 126);
/* oklch */ color: oklch(48.4% 0.077 222.6);

Tailwind

colors: {
  custom: {
    50: '#6a93a3',
    500: '#21687e',
    950: '#000000',
  },
}

SCSS

$custom: #21687e;
$custom-light: #6a93a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21687e",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 126
  },
  "hsl": {
    "h": 194.194,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.48378,
    "c": 0.0767,
    "h": 222.6
  },
  "luminance": 0.1173
}

Semantic roles & 50–950 ramp

primary

#21687E

secondary

#B1624A

accent

#6B46E2

background

#F6F9FA

surface

#ECF1F3

border

#C7CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #21687E

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

Preview Lab → · Contrast checker → · Palette generator →