#21586B#21586B

#21586B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.3% C 0.065 H 224.2°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#21586B
RGB	rgb(33, 88, 107)
HSL	hsl(195, 53%, 27%)
HSV	hsv(195, 69%, 42%)
CMYK	cmyk(69.2%, 17.8%, 0%, 58%)
CIE-LAB	lab(34.73, -11.40, -16.21)
CIE-LCH	lch(34.73, 19.81, 234.88°)
OKLab	oklab(43.27% -0.0464 -0.0452)
OKLCH	oklch(43.27% 0.065 224.2)
XYZ	xyz(6.7697, 8.3636, 15.1646)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21586B #6B3421

analogous

#216B59 #21586B #21336B

triadic

#21586B #6B2158 #586B21

tetradic

#21586B #59216B #6B3421 #336B21

square

#21586B #59216B #6B3421 #336B21

split-complementary

#21586B #6B2133 #6B5921

monochromatic

#071317 #13323C #21586B #2F7E9A #42A3C5

Accessibility & contrast

On white

7.86

#21586B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#21586B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21586B

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21586B	#FFFFFF	#000000	##FFFFFF
##21586B	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566C

Deuteranopia (green-blind)

#434E6B

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #21586b;
/* rgb */ color: rgb(33, 88, 107);
/* oklch */ color: oklch(43.3% 0.065 224.2);

Tailwind

colors: {
  custom: {
    50: '#668795',
    500: '#21586b',
    950: '#000000',
  },
}

SCSS

$custom: #21586b;
$custom-light: #668795;
$custom-dark: #000000;

JSON

{
  "hex": "#21586b",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 195.405,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43265,
    "c": 0.06484,
    "h": 224.2
  },
  "luminance": 0.08364
}

Semantic roles & 50–950 ramp

primary

#21586B

secondary

#9F5F49

accent

#714CDC

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21586B

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

Preview Lab → · Contrast checker → · Palette generator →