#203F63#203F63

#203F63 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.073 H 253.5°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#203F63
RGB	rgb(32, 63, 99)
HSL	hsl(212, 51%, 26%)
HSV	hsv(212, 68%, 39%)
CMYK	cmyk(67.7%, 36.4%, 0%, 61.2%)
CIE-LAB	lab(26.05, 1.30, -24.65)
CIE-LCH	lch(26.05, 24.68, 273.01°)
OKLab	oklab(36.25% -0.0207 -0.0698)
OKLCH	oklch(36.25% 0.073 253.5)
XYZ	xyz(4.6245, 4.7625, 12.4775)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F63 #634420

analogous

#206063 #203F63 #222063

triadic

#203F63 #63203F #3F6320

tetradic

#203F63 #632060 #634420 #206322

square

#203F63 #632060 #634420 #206322

split-complementary

#203F63 #632220 #606320

monochromatic

#070F17 #112235 #203F63 #2F5C91 #3E7ABF

Accessibility & contrast

On white

10.75

#203F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#203F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F63

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F63	#FFFFFF	#000000	##FFFFFF
##203F63	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4165

Deuteranopia (green-blind)

#263B62

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #203f63;
/* rgb */ color: rgb(32, 63, 99);
/* oklch */ color: oklch(36.2% 0.073 253.5);

Tailwind

colors: {
  custom: {
    50: '#63738f',
    500: '#203f63',
    950: '#000000',
  },
}

SCSS

$custom: #203f63;
$custom-light: #63738f;
$custom-dark: #000000;

JSON

{
  "hex": "#203f63",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 212.239,
    "s": 51.145,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36249,
    "c": 0.07282,
    "h": 253.5
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#203F63

secondary

#977248

accent

#994DDB

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #203F63

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

Preview Lab → · Contrast checker → · Palette generator →