#2A478F#2A478F

#2A478F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.124 H 265.0°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A478F
RGB	rgb(42, 71, 143)
HSL	hsl(223, 55%, 36%)
HSV	hsv(223, 71%, 56%)
CMYK	cmyk(70.6%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(31.76, 14.73, -43.14)
CIE-LCH	lch(31.76, 45.59, 288.86°)
OKLab	oklab(41.69% -0.0109 -0.1238)
OKLCH	oklch(41.69% 0.124 265)
XYZ	xyz(8.1643, 6.9811, 26.8985)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A478F #8F722A

analogous

#2A7A8F #2A478F #402A8F

triadic

#2A478F #8F2A47 #478F2A

tetradic

#2A478F #8F2A7A #8F722A #2A8F40

square

#2A478F #8F2A7A #8F722A #2A8F40

split-complementary

#2A478F #8F402A #7A8F2A

monochromatic

#0E1830 #1C3060 #2A478F #385EBE #6282D1

Accessibility & contrast

On white

8.76

#2A478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2A478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A478F

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A478F	#FFFFFF	#000000	##FFFFFF
##2A478F	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5092

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a478f;
/* rgb */ color: rgb(42, 71, 143);
/* oklch */ color: oklch(41.7% 0.124 265.0);

Tailwind

colors: {
  custom: {
    50: '#7079b0',
    500: '#2a478f',
    950: '#000000',
  },
}

SCSS

$custom: #2a478f;
$custom-light: #7079b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a478f",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 222.772,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41693,
    "c": 0.12424,
    "h": 265
  },
  "luminance": 0.06982
}

Semantic roles & 50–950 ramp

primary

#2A478F

secondary

#B79D5E

accent

#B34ADE

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2A478F

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

Preview Lab → · Contrast checker → · Palette generator →