#203F5C#203F5C

#203F5C is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.063 H 248.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#203F5C
RGB	rgb(32, 63, 92)
HSL	hsl(209, 48%, 24%)
HSV	hsv(209, 65%, 36%)
CMYK	cmyk(65.2%, 31.5%, 0%, 63.9%)
CIE-LAB	lab(25.67, -1.38, -20.71)
CIE-LCH	lch(25.67, 20.76, 266.19°)
OKLab	oklab(35.83% -0.023 -0.0584)
OKLCH	oklch(35.83% 0.063 248.5)
XYZ	xyz(4.3042, 4.6344, 10.7908)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F5C #5C3D20

analogous

#205C5B #203F5C #20215C

triadic

#203F5C #5C203F #3F5C20

tetradic

#203F5C #5B205C #5C3D20 #215C20

square

#203F5C #5B205C #5C3D20 #215C20

split-complementary

#203F5C #5C2021 #5C5B20

monochromatic

#081017 #10202F #203F5C #305E89 #407DB7

Accessibility & contrast

On white

10.90

#203F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#203F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F5C

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F5C	#FFFFFF	#000000	##FFFFFF
##203F5C	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33405D

Deuteranopia (green-blind)

#2B3A5B

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #203f5c;
/* rgb */ color: rgb(32, 63, 92);
/* oklch */ color: oklch(35.8% 0.063 248.5);

Tailwind

colors: {
  custom: {
    50: '#62738a',
    500: '#203f5c',
    950: '#000000',
  },
}

SCSS

$custom: #203f5c;
$custom-light: #62738a;
$custom-dark: #000000;

JSON

{
  "hex": "#203f5c",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 92
  },
  "hsl": {
    "h": 209,
    "s": 48.387,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35825,
    "c": 0.06272,
    "h": 248.5
  },
  "luminance": 0.04635
}

Semantic roles & 50–950 ramp

primary

#203F5C

secondary

#906B47

accent

#9250D8

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #203F5C

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

Preview Lab → · Contrast checker → · Palette generator →