#203F8D#203F8D

#203F8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.135 H 264.6°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#203F8D
RGB	rgb(32, 63, 141)
HSL	hsl(223, 63%, 34%)
HSV	hsv(223, 77%, 55%)
CMYK	cmyk(77.3%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(28.86, 17.99, -46.62)
CIE-LCH	lch(28.86, 49.97, 291.10°)
OKLab	oklab(39.32% -0.0128 -0.1343)
OKLCH	oklch(39.32% 0.135 264.6)
XYZ	xyz(7.1792, 5.7844, 25.9323)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F8D #8D6E20

analogous

#20768D #203F8D #38208D

triadic

#203F8D #8D203F #3F8D20

tetradic

#203F8D #8D2076 #8D6E20 #208D38

square

#203F8D #8D2076 #8D6E20 #208D38

split-complementary

#203F8D #8D3820 #768D20

monochromatic

#091229 #15295B #203F8D #2B55BF #5077D7

Accessibility & contrast

On white

9.74

#203F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#203F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F8D

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F8D	#FFFFFF	#000000	##FFFFFF
##203F8D	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203f8d;
/* rgb */ color: rgb(32, 63, 141);
/* oklch */ color: oklch(39.3% 0.135 264.6);

Tailwind

colors: {
  custom: {
    50: '#6c73af',
    500: '#203f8d',
    950: '#000000',
  },
}

SCSS

$custom: #203f8d;
$custom-light: #6c73af;
$custom-dark: #000000;

JSON

{
  "hex": "#203f8d",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 222.936,
    "s": 63.006,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39318,
    "c": 0.13495,
    "h": 264.6
  },
  "luminance": 0.05785
}

Semantic roles & 50–950 ramp

primary

#203F8D

secondary

#BA9C4E

accent

#B742E6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #203F8D

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

Preview Lab → · Contrast checker → · Palette generator →