#203F58#203F58

#203F58 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.057 H 244.7°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#203F58
RGB	rgb(32, 63, 88)
HSL	hsl(207, 47%, 24%)
HSV	hsv(207, 64%, 35%)
CMYK	cmyk(63.6%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(25.46, -2.88, -18.43)
CIE-LCH	lch(25.46, 18.65, 261.13°)
OKLab	oklab(35.6% -0.0244 -0.0517)
OKLCH	oklch(35.6% 0.057 244.7)
XYZ	xyz(4.1340, 4.5663, 9.8942)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F58 #583920

analogous

#205855 #203F58 #202358

triadic

#203F58 #58203F #3F5820

tetradic

#203F58 #552058 #583920 #235820

square

#203F58 #552058 #583920 #235820

split-complementary

#203F58 #582023 #585520

monochromatic

#081016 #101F2B #203F58 #305F85 #417FB2

Accessibility & contrast

On white

10.98

#203F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#203F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F58

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F58	#FFFFFF	#000000	##FFFFFF
##203F58	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F59

Deuteranopia (green-blind)

#2D3A58

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203f58;
/* rgb */ color: rgb(32, 63, 88);
/* oklch */ color: oklch(35.6% 0.057 244.7);

Tailwind

colors: {
  custom: {
    50: '#617387',
    500: '#203f58',
    950: '#000000',
  },
}

SCSS

$custom: #203f58;
$custom-light: #617387;
$custom-dark: #000000;

JSON

{
  "hex": "#203f58",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 206.786,
    "s": 46.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35596,
    "c": 0.05722,
    "h": 244.7
  },
  "luminance": 0.04567
}

Semantic roles & 50–950 ramp

primary

#203F58

secondary

#8C6647

accent

#8D51D6

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #203F58

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

Preview Lab → · Contrast checker → · Palette generator →