#21658D#21658D

#21658D is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.092 H 239.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#21658D
RGB	rgb(33, 101, 141)
HSL	hsl(202, 62%, 34%)
HSV	hsv(202, 77%, 55%)
CMYK	cmyk(76.6%, 28.4%, 0%, 44.7%)
CIE-LAB	lab(40.50, -6.79, -28.08)
CIE-LCH	lch(40.50, 28.89, 256.40°)
OKLab	oklab(48.37% -0.0476 -0.0793)
OKLCH	oklch(48.37% 0.092 239.1)
XYZ	xyz(10.0867, 11.5526, 26.8924)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21658D #8D4921

analogous

#218D7F #21658D #212F8D

triadic

#21658D #8D2165 #658D21

tetradic

#21658D #7F218D #8D4921 #2F8D21

square

#21658D #7F218D #8D4921 #2F8D21

split-complementary

#21658D #8D212F #8D7F21

monochromatic

#0A1E2A #15415B #21658D #2D89BF #52A5D6

Accessibility & contrast

On white

6.34

#21658D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#21658D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21658D

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21658D	#FFFFFF	#000000	##FFFFFF
##21658D	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52658F

Deuteranopia (green-blind)

#435B8C

Tritanopia (blue-blind)

#006F73

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #21658d;
/* rgb */ color: rgb(33, 101, 141);
/* oklch */ color: oklch(48.4% 0.092 239.1);

Tailwind

colors: {
  custom: {
    50: '#6c90ae',
    500: '#21658d',
    950: '#000000',
  },
}

SCSS

$custom: #21658d;
$custom-light: #6c90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21658d",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 141
  },
  "hsl": {
    "h": 202.222,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.48372,
    "c": 0.09248,
    "h": 239.1
  },
  "luminance": 0.11554
}

Semantic roles & 50–950 ramp

primary

#21658D

secondary

#BA7750

accent

#7F43E5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #21658D

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

Preview Lab → · Contrast checker → · Palette generator →