#21659B#21659B

#21659B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.109 H 246.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#21659B
RGB	rgb(33, 101, 155)
HSL	hsl(207, 65%, 37%)
HSV	hsv(207, 79%, 61%)
CMYK	cmyk(78.7%, 34.8%, 0%, 39.2%)
CIE-LAB	lab(41.21, -1.50, -35.34)
CIE-LCH	lch(41.21, 35.37, 267.57°)
OKLab	oklab(49.17% -0.0431 -0.1005)
OKLCH	oklch(49.17% 0.109 246.8)
XYZ	xyz(11.1950, 11.9959, 32.7294)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21659B #9B5721

analogous

#219B94 #21659B #21289B

triadic

#21659B #9B2165 #659B21

tetradic

#21659B #94219B #9B5721 #289B21

square

#21659B #94219B #9B5721 #289B21

split-complementary

#21659B #9B2128 #9B9421

monochromatic

#0C2336 #164469 #21659B #2C86CD #5AA3DC

Accessibility & contrast

On white

6.18

#21659B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#21659B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21659B

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21659B	#FFFFFF	#000000	##FFFFFF
##21659B	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C679D

Deuteranopia (green-blind)

#3A5C9A

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #21659b;
/* rgb */ color: rgb(33, 101, 155);
/* oklch */ color: oklch(49.2% 0.109 246.8);

Tailwind

colors: {
  custom: {
    50: '#6f90b9',
    500: '#21659b',
    950: '#000000',
  },
}

SCSS

$custom: #21659b;
$custom-light: #6f90b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21659b",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 155
  },
  "hsl": {
    "h": 206.557,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4917,
    "c": 0.1093,
    "h": 246.8
  },
  "luminance": 0.11997
}

Semantic roles & 50–950 ramp

primary

#21659B

secondary

#C08658

accent

#8A40E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #21659B

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

Preview Lab → · Contrast checker → · Palette generator →