#203C66#203C66

#203C66 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.081 H 258.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#203C66
RGB	rgb(32, 60, 102)
HSL	hsl(216, 52%, 26%)
HSV	hsv(216, 69%, 40%)
CMYK	cmyk(68.6%, 41.2%, 0%, 60%)
CIE-LAB	lab(25.25, 4.51, -27.84)
CIE-LCH	lch(25.25, 28.21, 279.21°)
OKLab	oklab(35.69% -0.0164 -0.0792)
OKLCH	oklch(35.69% 0.081 258.3)
XYZ	xyz(4.6089, 4.4977, 13.1930)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C66 #664A20

analogous

#205F66 #203C66 #272066

triadic

#203C66 #66203C #3C6620

tetradic

#203C66 #66205F #664A20 #206627

square

#203C66 #66205F #664A20 #206627

split-complementary

#203C66 #662720 #5F6620

monochromatic

#070E17 #112137 #203C66 #2F5795 #3E73C2

Accessibility & contrast

On white

11.05

#203C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#203C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C66

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C66	#FFFFFF	#000000	##FFFFFF
##203C66	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F68

Deuteranopia (green-blind)

#1F3965

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203c66;
/* rgb */ color: rgb(32, 60, 102);
/* oklch */ color: oklch(35.7% 0.081 258.3);

Tailwind

colors: {
  custom: {
    50: '#647192',
    500: '#203c66',
    950: '#000000',
  },
}

SCSS

$custom: #203c66;
$custom-light: #647192;
$custom-dark: #000000;

JSON

{
  "hex": "#203c66",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 102
  },
  "hsl": {
    "h": 216,
    "s": 52.239,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35687,
    "c": 0.08085,
    "h": 258.3
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#203C66

secondary

#9A7948

accent

#A24CDC

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #203C66

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

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