#203BA5#203BA5

#203BA5 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.173 H 266.9°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#203BA5
RGB	rgb(32, 59, 165)
HSL	hsl(228, 68%, 39%)
HSV	hsv(228, 81%, 65%)
CMYK	cmyk(80.6%, 64.2%, 0%, 35.3%)
CIE-LAB	lab(29.79, 30.10, -59.74)
CIE-LCH	lch(29.79, 66.89, 296.74°)
OKLab	oklab(40.64% -0.0093 -0.1729)
OKLCH	oklch(40.64% 0.173 266.9)
XYZ	xyz(8.9488, 6.1506, 36.3056)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203BA5 #A58A20

analogous

#207DA5 #203BA5 #4820A5

triadic

#203BA5 #A5203B #3BA520

tetradic

#203BA5 #A5207D #A58A20 #20A548

square

#203BA5 #A5207D #A58A20 #20A548

split-complementary

#203BA5 #A54820 #7DA520

monochromatic

#0C163E #162972 #203BA5 #2C4FD6 #5F79E0

Accessibility & contrast

On white

9.42

#203BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#203BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203BA5

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203BA5	#FFFFFF	#000000	##FFFFFF
##203BA5	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203ba5;
/* rgb */ color: rgb(32, 59, 165);
/* oklch */ color: oklch(40.6% 0.173 266.9);

Tailwind

colors: {
  custom: {
    50: '#7370c1',
    500: '#203ba5',
    950: '#000000',
  },
}

SCSS

$custom: #203ba5;
$custom-light: #7370c1;
$custom-dark: #000000;

JSON

{
  "hex": "#203ba5",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 165
  },
  "hsl": {
    "h": 227.82,
    "s": 67.513,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40637,
    "c": 0.17314,
    "h": 266.9
  },
  "luminance": 0.06152
}

Semantic roles & 50–950 ramp

primary

#203BA5

secondary

#C5AF5C

accent

#C73DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203BA5

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

Preview Lab → · Contrast checker → · Palette generator →