#203BA1#203BA1

#203BA1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.168 H 266.8°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#203BA1
RGB	rgb(32, 59, 161)
HSL	hsl(227, 67%, 38%)
HSV	hsv(227, 80%, 63%)
CMYK	cmyk(80.1%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.43, 28.56, -57.91)
CIE-LCH	lch(29.43, 64.57, 296.25°)
OKLab	oklab(40.26% -0.0093 -0.1675)
OKLCH	oklch(40.26% 0.168 266.8)
XYZ	xyz(8.5904, 6.0072, 34.4181)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203BA1 #A18620

analogous

#207BA1 #203BA1 #4620A1

triadic

#203BA1 #A1203B #3BA120

tetradic

#203BA1 #A1207B #A18620 #20A146

square

#203BA1 #A1207B #A18620 #20A146

split-complementary

#203BA1 #A14620 #7BA120

monochromatic

#0C163B #16286E #203BA1 #2A4ED4 #5D78DF

Accessibility & contrast

On white

9.54

#203BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#203BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203BA1

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203BA1	#FFFFFF	#000000	##FFFFFF
##203BA1	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)

#004CA4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203ba1;
/* rgb */ color: rgb(32, 59, 161);
/* oklch */ color: oklch(40.3% 0.168 266.8);

Tailwind

colors: {
  custom: {
    50: '#7270be',
    500: '#203ba1',
    950: '#000000',
  },
}

SCSS

$custom: #203ba1;
$custom-light: #7270be;
$custom-dark: #000000;

JSON

{
  "hex": "#203ba1",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 227.442,
    "s": 66.839,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40261,
    "c": 0.1678,
    "h": 266.8
  },
  "luminance": 0.06008
}

Semantic roles & 50–950 ramp

primary

#203BA1

secondary

#C3AD5A

accent

#C63EEA

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203BA1

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

Preview Lab → · Contrast checker → · Palette generator →