#203F55#203F55

#203F55 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.053 H 241.3°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#203F55
RGB	rgb(32, 63, 85)
HSL	hsl(205, 45%, 23%)
HSV	hsv(205, 62%, 33%)
CMYK	cmyk(62.4%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(25.31, -3.98, -16.70)
CIE-LCH	lch(25.31, 17.17, 256.59°)
OKLab	oklab(35.43% -0.0256 -0.0468)
OKLCH	oklch(35.43% 0.053 241.3)
XYZ	xyz(4.0123, 4.5176, 9.2531)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F55 #553620

analogous

#205550 #203F55 #202455

triadic

#203F55 #55203F #3F5520

tetradic

#203F55 #502055 #553620 #245520

square

#203F55 #502055 #553620 #245520

split-complementary

#203F55 #552024 #555020

monochromatic

#081016 #0F1E29 #203F55 #316081 #4181AE

Accessibility & contrast

On white

11.03

#203F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#203F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F55

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F55	#FFFFFF	#000000	##FFFFFF
##203F55	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353F56

Deuteranopia (green-blind)

#2E3A55

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203f55;
/* rgb */ color: rgb(32, 63, 85);
/* oklch */ color: oklch(35.4% 0.053 241.3);

Tailwind

colors: {
  custom: {
    50: '#617385',
    500: '#203f55',
    950: '#000000',
  },
}

SCSS

$custom: #203f55;
$custom-light: #617385;
$custom-dark: #000000;

JSON

{
  "hex": "#203f55",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 204.906,
    "s": 45.299,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35431,
    "c": 0.0533,
    "h": 241.3
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#203F55

secondary

#8A6347

accent

#8953D5

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #203F55

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

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