#21606E#21606E

#21606E is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.5% C 0.067 H 215.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#21606E
RGB	rgb(33, 96, 110)
HSL	hsl(191, 54%, 28%)
HSV	hsv(191, 70%, 43%)
CMYK	cmyk(70%, 12.7%, 0%, 56.9%)
CIE-LAB	lab(37.51, -15.00, -13.82)
CIE-LCH	lch(37.51, 20.39, 222.64°)
OKLab	oklab(45.53% -0.0544 -0.0384)
OKLCH	oklch(45.53% 0.067 215.3)
XYZ	xyz(7.6234, 9.8140, 16.2414)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21606E #6E2F21

analogous

#216E55 #21606E #21396E

triadic

#21606E #6E2160 #606E21

tetradic

#21606E #55216E #6E2F21 #396E21

square

#21606E #55216E #6E2F21 #396E21

split-complementary

#21606E #6E2139 #6E5521

monochromatic

#071518 #13373F #21606E #2F899D #43AFC7

Accessibility & contrast

On white

7.09

#21606E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#21606E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21606E

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21606E	#FFFFFF	#000000	##FFFFFF
##21606E	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565D6F

Deuteranopia (green-blind)

#4B556E

Tritanopia (blue-blind)

#006564

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #21606e;
/* rgb */ color: rgb(33, 96, 110);
/* oklch */ color: oklch(45.5% 0.067 215.3);

Tailwind

colors: {
  custom: {
    50: '#678d97',
    500: '#21606e',
    950: '#000000',
  },
}

SCSS

$custom: #21606e;
$custom-light: #678d97;
$custom-dark: #000000;

JSON

{
  "hex": "#21606e",
  "rgb": {
    "r": 33,
    "g": 96,
    "b": 110
  },
  "hsl": {
    "h": 190.909,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.45533,
    "c": 0.06659,
    "h": 215.3
  },
  "luminance": 0.09815
}

Semantic roles & 50–950 ramp

primary

#21606E

secondary

#A25949

accent

#654BDD

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #21606E

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

Preview Lab → · Contrast checker → · Palette generator →