#203B4E#203B4E

#203B4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.047 H 240.7°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#203B4E
RGB	rgb(32, 59, 78)
HSL	hsl(205, 42%, 22%)
HSV	hsv(205, 59%, 31%)
CMYK	cmyk(59%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(23.62, -3.89, -14.71)
CIE-LCH	lch(23.62, 15.22, 255.18°)
OKLab	oklab(33.98% -0.023 -0.0411)
OKLCH	oklch(33.98% 0.047 240.7)
XYZ	xyz(3.5343, 3.9848, 7.7891)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B4E #4E3320

analogous

#204E4A #203B4E #20244E

triadic

#203B4E #4E203B #3B4E20

tetradic

#203B4E #4A204E #4E3320 #244E20

square

#203B4E #4A204E #4E3320 #244E20

split-complementary

#203B4E #4E2024 #4E4A20

monochromatic

#091016 #0E1A23 #203B4E #325C79 #447DA5

Accessibility & contrast

On white

11.69

#203B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#203B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B4E

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B4E	#FFFFFF	#000000	##FFFFFF
##203B4E	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2C364E

Tritanopia (blue-blind)

#044041

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #203b4e;
/* rgb */ color: rgb(32, 59, 78);
/* oklch */ color: oklch(34.0% 0.047 240.7);

Tailwind

colors: {
  custom: {
    50: '#5f707f',
    500: '#203b4e',
    950: '#000000',
  },
}

SCSS

$custom: #203b4e;
$custom-light: #5f707f;
$custom-dark: #000000;

JSON

{
  "hex": "#203b4e",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 204.783,
    "s": 41.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33981,
    "c": 0.04709,
    "h": 240.7
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#203B4E

secondary

#826047

accent

#8956D2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #203B4E

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

Preview Lab → · Contrast checker → · Palette generator →