#21658A#21658A

#21658A is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.2% C 0.089 H 236.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#21658A
RGB	rgb(33, 101, 138)
HSL	hsl(201, 61%, 34%)
HSV	hsv(201, 76%, 54%)
CMYK	cmyk(76.1%, 26.8%, 0%, 45.9%)
CIE-LAB	lab(40.35, -7.91, -26.49)
CIE-LCH	lch(40.35, 27.65, 253.38°)
OKLab	oklab(48.21% -0.0486 -0.0747)
OKLCH	oklch(48.21% 0.089 236.9)
XYZ	xyz(9.8665, 11.4645, 25.7327)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21658A #8A4621

analogous

#218A7A #21658A #21308A

triadic

#21658A #8A2165 #658A21

tetradic

#21658A #7A218A #8A4621 #308A21

square

#21658A #7A218A #8A4621 #308A21

split-complementary

#21658A #8A2130 #8A7A21

monochromatic

#091D27 #154159 #21658A #2D89BB #50A6D5

Accessibility & contrast

On white

6.38

#21658A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#21658A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21658A

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21658A	#FFFFFF	#000000	##FFFFFF
##21658A	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53658C

Deuteranopia (green-blind)

#455B89

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #21658a;
/* rgb */ color: rgb(33, 101, 138);
/* oklch */ color: oklch(48.2% 0.089 236.9);

Tailwind

colors: {
  custom: {
    50: '#6c90ac',
    500: '#21658a',
    950: '#000000',
  },
}

SCSS

$custom: #21658a;
$custom-light: #6c90ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21658a",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 138
  },
  "hsl": {
    "h": 201.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4821,
    "c": 0.08915,
    "h": 236.9
  },
  "luminance": 0.11466
}

Semantic roles & 50–950 ramp

primary

#21658A

secondary

#B9744E

accent

#7C43E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #21658A

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

Preview Lab → · Contrast checker → · Palette generator →