#203F5F#203F5F

#203F5F is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.067 H 250.9°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#203F5F
RGB	rgb(32, 63, 95)
HSL	hsl(210, 50%, 25%)
HSV	hsv(210, 66%, 37%)
CMYK	cmyk(66.3%, 33.7%, 0%, 62.7%)
CIE-LAB	lab(25.83, -0.24, -22.41)
CIE-LCH	lch(25.83, 22.41, 269.39°)
OKLab	oklab(36% -0.022 -0.0633)
OKLCH	oklch(36% 0.067 250.9)
XYZ	xyz(4.4380, 4.6879, 11.4952)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F5F #5F4020

analogous

#205F5F #203F5F #21205F

triadic

#203F5F #5F203F #3F5F20

tetradic

#203F5F #5F205F #5F4020 #205F21

square

#203F5F #5F205F #5F4020 #205F21

split-complementary

#203F5F #5F2120 #5F5F20

monochromatic

#080F17 #112131 #203F5F #2F5D8D #3F7CBB

Accessibility & contrast

On white

10.84

#203F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#203F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F5F

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F5F	#FFFFFF	#000000	##FFFFFF
##203F5F	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314160

Deuteranopia (green-blind)

#293A5E

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #203f5f;
/* rgb */ color: rgb(32, 63, 95);
/* oklch */ color: oklch(36.0% 0.067 250.9);

Tailwind

colors: {
  custom: {
    50: '#62738c',
    500: '#203f5f',
    950: '#000000',
  },
}

SCSS

$custom: #203f5f;
$custom-light: #62738c;
$custom-dark: #000000;

JSON

{
  "hex": "#203f5f",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 95
  },
  "hsl": {
    "h": 210.476,
    "s": 49.606,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36003,
    "c": 0.06699,
    "h": 250.9
  },
  "luminance": 0.04688
}

Semantic roles & 50–950 ramp

primary

#203F5F

secondary

#936E47

accent

#954FD9

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #203F5F

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

Preview Lab → · Contrast checker → · Palette generator →