#203DA8#203DA8

#203DA8 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.175 H 266.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#203DA8
RGB	rgb(32, 61, 168)
HSL	hsl(227, 68%, 39%)
HSV	hsv(227, 81%, 66%)
CMYK	cmyk(81%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(30.57, 29.91, -60.27)
CIE-LCH	lch(30.57, 67.28, 296.40°)
OKLab	oklab(41.3% -0.0105 -0.1744)
OKLCH	oklch(41.3% 0.175 266.5)
XYZ	xyz(9.3298, 6.4706, 37.7954)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203DA8 #A88B20

analogous

#2081A8 #203DA8 #4720A8

triadic

#203DA8 #A8203D #3DA820

tetradic

#203DA8 #A82081 #A88B20 #20A847

square

#203DA8 #A82081 #A88B20 #20A847

split-complementary

#203DA8 #A84720 #81A820

monochromatic

#0C1841 #162A75 #203DA8 #2E52D7 #617DE1

Accessibility & contrast

On white

9.15

#203DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#203DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203DA8

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203DA8	#FFFFFF	#000000	##FFFFFF
##203DA8	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #203da8;
/* rgb */ color: rgb(32, 61, 168);
/* oklch */ color: oklch(41.3% 0.175 266.5);

Tailwind

colors: {
  custom: {
    50: '#7472c3',
    500: '#203da8',
    950: '#000000',
  },
}

SCSS

$custom: #203da8;
$custom-light: #7472c3;
$custom-dark: #000000;

JSON

{
  "hex": "#203da8",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 227.206,
    "s": 68,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41296,
    "c": 0.17473,
    "h": 266.5
  },
  "luminance": 0.06472
}

Semantic roles & 50–950 ramp

primary

#203DA8

secondary

#C6B05E

accent

#C63DEB

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #203DA8

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

Preview Lab → · Contrast checker → · Palette generator →