#20478B#20478B

#20478B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 40.9% C 0.122 H 260.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#20478B
RGB	rgb(32, 71, 139)
HSL	hsl(218, 63%, 34%)
HSV	hsv(218, 77%, 55%)
CMYK	cmyk(77%, 48.9%, 0%, 45.5%)
CIE-LAB	lab(31.06, 11.69, -41.84)
CIE-LCH	lch(31.06, 43.44, 285.61°)
OKLab	oklab(40.95% -0.0198 -0.1201)
OKLCH	oklch(40.95% 0.122 260.6)
XYZ	xyz(7.5074, 6.6768, 25.3142)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20478B #8B6420

analogous

#207C8B #20478B #2E208B

triadic

#20478B #8B2047 #478B20

tetradic

#20478B #8B207C #8B6420 #208B2E

square

#20478B #8B207C #8B6420 #208B2E

split-complementary

#20478B #8B2E20 #7C8B20

monochromatic

#091428 #152E59 #20478B #2B60BD #4F80D6

Accessibility & contrast

On white

8.99

#20478B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#20478B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20478B

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20478B	#FFFFFF	#000000	##FFFFFF
##20478B	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224E8E

Deuteranopia (green-blind)

#02458A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #20478b;
/* rgb */ color: rgb(32, 71, 139);
/* oklch */ color: oklch(40.9% 0.122 260.6);

Tailwind

colors: {
  custom: {
    50: '#6c79ad',
    500: '#20478b',
    950: '#000000',
  },
}

SCSS

$custom: #20478b;
$custom-light: #6c79ad;
$custom-dark: #000000;

JSON

{
  "hex": "#20478b",
  "rgb": {
    "r": 32,
    "g": 71,
    "b": 139
  },
  "hsl": {
    "h": 218.131,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40947,
    "c": 0.12174,
    "h": 260.6
  },
  "luminance": 0.06678
}

Semantic roles & 50–950 ramp

primary

#20478B

secondary

#BA924D

accent

#AA42E6

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #20478B

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

Preview Lab → · Contrast checker → · Palette generator →