#203F59#203F59

#203F59 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.059 H 245.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#203F59
RGB	rgb(32, 63, 89)
HSL	hsl(207, 47%, 24%)
HSV	hsv(207, 64%, 35%)
CMYK	cmyk(64%, 29.2%, 0%, 65.1%)
CIE-LAB	lab(25.51, -2.50, -19.00)
CIE-LCH	lch(25.51, 19.17, 262.50°)
OKLab	oklab(35.65% -0.024 -0.0534)
OKLCH	oklch(35.65% 0.059 245.8)
XYZ	xyz(4.1757, 4.5830, 10.1138)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F59 #593A20

analogous

#205956 #203F59 #202259

triadic

#203F59 #59203F #3F5920

tetradic

#203F59 #562059 #593A20 #225920

square

#203F59 #562059 #593A20 #225920

split-complementary

#203F59 #592022 #595620

monochromatic

#081017 #101F2C #203F59 #305F86 #407FB3

Accessibility & contrast

On white

10.96

#203F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#203F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F59

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F59	#FFFFFF	#000000	##FFFFFF
##203F59	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405A

Deuteranopia (green-blind)

#2C3A59

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203f59;
/* rgb */ color: rgb(32, 63, 89);
/* oklch */ color: oklch(35.7% 0.059 245.8);

Tailwind

colors: {
  custom: {
    50: '#617388',
    500: '#203f59',
    950: '#000000',
  },
}

SCSS

$custom: #203f59;
$custom-light: #617388;
$custom-dark: #000000;

JSON

{
  "hex": "#203f59",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 89
  },
  "hsl": {
    "h": 207.368,
    "s": 47.107,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35653,
    "c": 0.05857,
    "h": 245.8
  },
  "luminance": 0.04583
}

Semantic roles & 50–950 ramp

primary

#203F59

secondary

#8D6747

accent

#8E51D7

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #203F59

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

Preview Lab → · Contrast checker → · Palette generator →