#203EB3#203EB3

#203EB3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.5% C 0.188 H 266.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#203EB3
RGB	rgb(32, 62, 179)
HSL	hsl(228, 70%, 41%)
HSV	hsv(228, 82%, 70%)
CMYK	cmyk(82.1%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(31.82, 33.43, -64.79)
CIE-LCH	lch(31.82, 72.90, 297.29°)
OKLab	oklab(42.52% -0.0113 -0.1876)
OKLCH	oklch(42.52% 0.188 266.5)
XYZ	xyz(10.4521, 7.0057, 43.4405)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203EB3 #B39520

analogous

#2088B3 #203EB3 #4C20B3

triadic

#203EB3 #B3203E #3EB320

tetradic

#203EB3 #B32088 #B39520 #20B34C

square

#203EB3 #B32088 #B39520 #20B34C

split-complementary

#203EB3 #B34C20 #88B320

monochromatic

#0D1A4B #172C7F #203EB3 #3557DB #6982E4

Accessibility & contrast

On white

8.74

#203EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#203EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203EB3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203EB3	#FFFFFF	#000000	##FFFFFF
##203EB3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0044B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #203eb3;
/* rgb */ color: rgb(32, 62, 179);
/* oklch */ color: oklch(42.5% 0.188 266.5);

Tailwind

colors: {
  custom: {
    50: '#7673cb',
    500: '#203eb3',
    950: '#000000',
  },
}

SCSS

$custom: #203eb3;
$custom-light: #7673cb;
$custom-dark: #000000;

JSON

{
  "hex": "#203eb3",
  "rgb": {
    "r": 32,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 227.755,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42523,
    "c": 0.18797,
    "h": 266.5
  },
  "luminance": 0.07007
}

Semantic roles & 50–950 ramp

primary

#203EB3

secondary

#CAB565

accent

#C83BEC

background

#F7F6FC

surface

#EEECF9

border

#C9C7D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #203EB3

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

Preview Lab → · Contrast checker → · Palette generator →