#203FA8#203FA8

#203FA8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.172 H 266.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#203FA8
RGB	rgb(32, 63, 168)
HSL	hsl(226, 68%, 39%)
HSV	hsv(226, 81%, 66%)
CMYK	cmyk(81%, 62.5%, 0%, 34.1%)
CIE-LAB	lab(31.09, 28.58, -59.42)
CIE-LCH	lch(31.09, 65.94, 295.69°)
OKLab	oklab(41.68% -0.0117 -0.1719)
OKLCH	oklch(41.68% 0.172 266.1)
XYZ	xyz(9.4386, 6.6881, 37.8317)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203FA8 #A88920

analogous

#2083A8 #203FA8 #4520A8

triadic

#203FA8 #A8203F #3FA820

tetradic

#203FA8 #A82083 #A88920 #20A845

square

#203FA8 #A82083 #A88920 #20A845

split-complementary

#203FA8 #A84520 #83A820

monochromatic

#0C1841 #162C75 #203FA8 #2E55D7 #617EE1

Accessibility & contrast

On white

8.98

#203FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#203FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203FA8

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203FA8	#FFFFFF	#000000	##FFFFFF
##203FA8	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #203fa8;
/* rgb */ color: rgb(32, 63, 168);
/* oklch */ color: oklch(41.7% 0.172 266.1);

Tailwind

colors: {
  custom: {
    50: '#7373c3',
    500: '#203fa8',
    950: '#000000',
  },
}

SCSS

$custom: #203fa8;
$custom-light: #7373c3;
$custom-dark: #000000;

JSON

{
  "hex": "#203fa8",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 168
  },
  "hsl": {
    "h": 226.324,
    "s": 68,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41678,
    "c": 0.17231,
    "h": 266.1
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#203FA8

secondary

#C6AE5E

accent

#C33DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #203FA8

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

Preview Lab → · Contrast checker → · Palette generator →