#203DBC#203DBC

#203DBC is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.2% C 0.201 H 266.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#203DBC
RGB	rgb(32, 61, 188)
HSL	hsl(229, 71%, 43%)
HSV	hsv(229, 83%, 74%)
CMYK	cmyk(83%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(32.42, 37.42, -69.12)
CIE-LCH	lch(32.42, 78.60, 298.43°)
OKLab	oklab(43.22% -0.0113 -0.2003)
OKLCH	oklch(43.22% 0.201 266.8)
XYZ	xyz(11.3383, 7.2740, 48.3736)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203DBC #BC9F20

analogous

#208BBC #203DBC #5120BC

triadic

#203DBC #BC203D #3DBC20

tetradic

#203DBC #BC208B #BC9F20 #20BC51

square

#203DBC #BC208B #BC9F20 #20BC51

split-complementary

#203DBC #BC5120 #8BBC20

monochromatic

#0E1B53 #172C88 #203DBC #3B5ADE #7086E7

Accessibility & contrast

On white

8.55

#203DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#203DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203DBC

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203DBC	#FFFFFF	#000000	##FFFFFF
##203DBC	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #203dbc;
/* rgb */ color: rgb(32, 61, 188);
/* oklch */ color: oklch(43.2% 0.201 266.8);

Tailwind

colors: {
  custom: {
    50: '#7972d1',
    500: '#203dbc',
    950: '#000000',
  },
}

SCSS

$custom: #203dbc;
$custom-light: #7972d1;
$custom-dark: #000000;

JSON

{
  "hex": "#203dbc",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 228.846,
    "s": 70.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43222,
    "c": 0.20061,
    "h": 266.8
  },
  "luminance": 0.07275
}

Semantic roles & 50–950 ramp

primary

#203DBC

secondary

#CDBB6B

accent

#CC3AEE

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #203DBC

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

Preview Lab → · Contrast checker → · Palette generator →