#203C9E#203C9E

#203C9E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.163 H 266.5°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#203C9E
RGB	rgb(32, 60, 158)
HSL	hsl(227, 66%, 37%)
HSV	hsv(227, 80%, 62%)
CMYK	cmyk(79.7%, 62%, 0%, 38%)
CIE-LAB	lab(29.43, 26.73, -56.10)
CIE-LCH	lch(29.43, 62.14, 295.48°)
OKLab	oklab(40.18% -0.0099 -0.1622)
OKLCH	oklch(40.18% 0.163 266.5)
XYZ	xyz(8.3809, 6.0065, 33.0588)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C9E #9E8220

analogous

#207B9E #203C9E #43209E

triadic

#203C9E #9E203C #3C9E20

tetradic

#203C9E #9E207B #9E8220 #209E43

square

#203C9E #9E207B #9E8220 #209E43

split-complementary

#203C9E #9E4320 #7B9E20

monochromatic

#0B1538 #16296B #203C9E #2A4FD1 #5B78DE

Accessibility & contrast

On white

9.54

#203C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#203C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C9E

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C9E	#FFFFFF	#000000	##FFFFFF
##203C9E	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203c9e;
/* rgb */ color: rgb(32, 60, 158);
/* oklch */ color: oklch(40.2% 0.163 266.5);

Tailwind

colors: {
  custom: {
    50: '#7171bc',
    500: '#203c9e',
    950: '#000000',
  },
}

SCSS

$custom: #203c9e;
$custom-light: #7171bc;
$custom-dark: #000000;

JSON

{
  "hex": "#203c9e",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 226.667,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40178,
    "c": 0.16251,
    "h": 266.5
  },
  "luminance": 0.06007
}

Semantic roles & 50–950 ramp

primary

#203C9E

secondary

#C2AA58

accent

#C33FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203C9E

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

Preview Lab → · Contrast checker → · Palette generator →