#203FA9#203FA9

#203FA9 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.174 H 266.1°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#203FA9
RGB	rgb(32, 63, 169)
HSL	hsl(226, 68%, 39%)
HSV	hsv(226, 81%, 66%)
CMYK	cmyk(81.1%, 62.7%, 0%, 33.7%)
CIE-LAB	lab(31.17, 28.97, -59.88)
CIE-LCH	lch(31.17, 66.52, 295.82°)
OKLab	oklab(41.77% -0.0117 -0.1732)
OKLCH	oklch(41.77% 0.174 266.1)
XYZ	xyz(9.5321, 6.7255, 38.3242)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203FA9 #A98A20

analogous

#2084A9 #203FA9 #4520A9

triadic

#203FA9 #A9203F #3FA920

tetradic

#203FA9 #A92084 #A98A20 #20A945

square

#203FA9 #A92084 #A98A20 #20A945

split-complementary

#203FA9 #A94520 #84A920

monochromatic

#0D1942 #162C76 #203FA9 #2F55D8 #627FE1

Accessibility & contrast

On white

8.95

#203FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#203FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203FA9

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203FA9	#FFFFFF	#000000	##FFFFFF
##203FA9	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AC

Deuteranopia (green-blind)

#0043A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #203fa9;
/* rgb */ color: rgb(32, 63, 169);
/* oklch */ color: oklch(41.8% 0.174 266.1);

Tailwind

colors: {
  custom: {
    50: '#7473c4',
    500: '#203fa9',
    950: '#000000',
  },
}

SCSS

$custom: #203fa9;
$custom-light: #7473c4;
$custom-dark: #000000;

JSON

{
  "hex": "#203fa9",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 169
  },
  "hsl": {
    "h": 226.423,
    "s": 68.159,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4177,
    "c": 0.17364,
    "h": 266.1
  },
  "luminance": 0.06727
}

Semantic roles & 50–950 ramp

primary

#203FA9

secondary

#C6AF5F

accent

#C43DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #203FA9

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

Preview Lab → · Contrast checker → · Palette generator →