#203C78#203C78

#203C78 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.108 H 263.3°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#203C78
RGB	rgb(32, 60, 120)
HSL	hsl(221, 58%, 30%)
HSV	hsv(221, 73%, 47%)
CMYK	cmyk(73.3%, 50%, 0%, 52.9%)
CIE-LAB	lab(26.43, 11.67, -37.45)
CIE-LCH	lch(26.43, 39.22, 287.31°)
OKLab	oklab(36.98% -0.0126 -0.1074)
OKLCH	oklch(36.98% 0.108 263.3)
XYZ	xyz(5.6005, 4.8943, 18.4152)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C78 #785C20

analogous

#206878 #203C78 #302078

triadic

#203C78 #78203C #3C7820

tetradic

#203C78 #782068 #785C20 #207830

square

#203C78 #782068 #785C20 #207830

split-complementary

#203C78 #783020 #687820

monochromatic

#060C18 #132448 #203C78 #2D54A8 #4570CD

Accessibility & contrast

On white

10.61

#203C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#203C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C78

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C78	#FFFFFF	#000000	##FFFFFF
##203C78	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B437A

Deuteranopia (green-blind)

#053B77

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #203c78;
/* rgb */ color: rgb(32, 60, 120);
/* oklch */ color: oklch(37.0% 0.108 263.3);

Tailwind

colors: {
  custom: {
    50: '#68719f',
    500: '#203c78',
    950: '#000000',
  },
}

SCSS

$custom: #203c78;
$custom-light: #68719f;
$custom-dark: #000000;

JSON

{
  "hex": "#203c78",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 120
  },
  "hsl": {
    "h": 220.909,
    "s": 57.895,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36976,
    "c": 0.10813,
    "h": 263.3
  },
  "luminance": 0.04895
}

Semantic roles & 50–950 ramp

primary

#203C78

secondary

#AB8C48

accent

#B047E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #203C78

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

Preview Lab → · Contrast checker → · Palette generator →