#21658F#21658F

#21658F is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.5% C 0.095 H 240.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#21658F
RGB	rgb(33, 101, 143)
HSL	hsl(203, 63%, 35%)
HSV	hsv(203, 77%, 56%)
CMYK	cmyk(76.9%, 29.4%, 0%, 43.9%)
CIE-LAB	lab(40.59, -6.05, -29.13)
CIE-LCH	lch(40.59, 29.75, 258.27°)
OKLab	oklab(48.48% -0.0469 -0.0824)
OKLCH	oklch(48.48% 0.095 240.4)
XYZ	xyz(10.2369, 11.6127, 27.6832)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21658F #8F4B21

analogous

#218F82 #21658F #212E8F

triadic

#21658F #8F2165 #658F21

tetradic

#21658F #82218F #8F4B21 #2E8F21

square

#21658F #82218F #8F4B21 #2E8F21

split-complementary

#21658F #8F212E #8F8221

monochromatic

#0A1F2C #16425D #21658F #2C88C1 #53A5D7

Accessibility & contrast

On white

6.32

#21658F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#21658F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21658F

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21658F	#FFFFFF	#000000	##FFFFFF
##21658F	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516591

Deuteranopia (green-blind)

#425B8E

Tritanopia (blue-blind)

#006F74

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #21658f;
/* rgb */ color: rgb(33, 101, 143);
/* oklch */ color: oklch(48.5% 0.095 240.4);

Tailwind

colors: {
  custom: {
    50: '#6d90b0',
    500: '#21658f',
    950: '#000000',
  },
}

SCSS

$custom: #21658f;
$custom-light: #6d90b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21658f",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 143
  },
  "hsl": {
    "h": 202.909,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.48482,
    "c": 0.09477,
    "h": 240.4
  },
  "luminance": 0.11614
}

Semantic roles & 50–950 ramp

primary

#21658F

secondary

#BB7951

accent

#8142E6

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #21658F

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

Preview Lab → · Contrast checker → · Palette generator →