#203F9D#203F9D

#203F9D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.157 H 265.7°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#203F9D
RGB	rgb(32, 63, 157)
HSL	hsl(225, 66%, 37%)
HSV	hsv(225, 80%, 62%)
CMYK	cmyk(79.6%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(30.15, 24.31, -54.32)
CIE-LCH	lch(30.15, 59.51, 294.11°)
OKLab	oklab(40.69% -0.0118 -0.157)
OKLCH	oklch(40.69% 0.157 265.7)
XYZ	xyz(8.4568, 6.2954, 32.6612)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F9D #9D7E20

analogous

#207E9D #203F9D #40209D

triadic

#203F9D #9D203F #3F9D20

tetradic

#203F9D #9D207E #9D7E20 #209D40

square

#203F9D #9D207E #9D7E20 #209D40

split-complementary

#203F9D #9D4020 #7E9D20

monochromatic

#0B1637 #162B6A #203F9D #2A53D0 #5A7BDD

Accessibility & contrast

On white

9.30

#203F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#203F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F9D

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F9D	#FFFFFF	#000000	##FFFFFF
##203F9D	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #203f9d;
/* rgb */ color: rgb(32, 63, 157);
/* oklch */ color: oklch(40.7% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#7173bb',
    500: '#203f9d',
    950: '#000000',
  },
}

SCSS

$custom: #203f9d;
$custom-light: #7173bb;
$custom-dark: #000000;

JSON

{
  "hex": "#203f9d",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 225.12,
    "s": 66.138,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40686,
    "c": 0.15741,
    "h": 265.7
  },
  "luminance": 0.06296
}

Semantic roles & 50–950 ramp

primary

#203F9D

secondary

#C1A757

accent

#BF3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #203F9D

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

Preview Lab → · Contrast checker → · Palette generator →