#203E5B#203E5B

#203E5B is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.062 H 249.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#203E5B
RGB	rgb(32, 62, 91)
HSL	hsl(209, 48%, 24%)
HSV	hsv(209, 65%, 36%)
CMYK	cmyk(64.8%, 31.9%, 0%, 64.3%)
CIE-LAB	lab(25.28, -1.09, -20.67)
CIE-LCH	lch(25.28, 20.69, 266.98°)
OKLab	oklab(35.51% -0.0221 -0.0582)
OKLCH	oklch(35.51% 0.062 249.2)
XYZ	xyz(4.2059, 4.5073, 10.5438)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203E5B #5B3D20

analogous

#205B5B #203E5B #20215B

triadic

#203E5B #5B203E #3E5B20

tetradic

#203E5B #5B205B #5B3D20 #215B20

square

#203E5B #5B205B #5B3D20 #215B20

split-complementary

#203E5B #5B2021 #5B5B20

monochromatic

#080F17 #101F2E #203E5B #305D88 #407CB6

Accessibility & contrast

On white

11.04

#203E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#203E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203E5B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203E5B	#FFFFFF	#000000	##FFFFFF
##203E5B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323F5C

Deuteranopia (green-blind)

#2A395A

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203e5b;
/* rgb */ color: rgb(32, 62, 91);
/* oklch */ color: oklch(35.5% 0.062 249.2);

Tailwind

colors: {
  custom: {
    50: '#627389',
    500: '#203e5b',
    950: '#000000',
  },
}

SCSS

$custom: #203e5b;
$custom-light: #627389;
$custom-dark: #000000;

JSON

{
  "hex": "#203e5b",
  "rgb": {
    "r": 32,
    "g": 62,
    "b": 91
  },
  "hsl": {
    "h": 209.492,
    "s": 47.967,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35506,
    "c": 0.06228,
    "h": 249.2
  },
  "luminance": 0.04508
}

Semantic roles & 50–950 ramp

primary

#203E5B

secondary

#8F6B47

accent

#9350D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #203E5B

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

Preview Lab → · Contrast checker → · Palette generator →