#3043AF#3043AF

#3043AF is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.173 H 270.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3043AF
RGB	rgb(48, 67, 175)
HSL	hsl(231, 57%, 44%)
HSV	hsv(231, 73%, 69%)
CMYK	cmyk(72.6%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(33.43, 30.32, -59.75)
CIE-LCH	lch(33.43, 67.00, 296.91°)
OKLab	oklab(43.8% -0.0001 -0.1725)
OKLCH	oklch(43.8% 0.173 270)
XYZ	xyz(10.9613, 7.7367, 41.4648)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043AF #AF9C30

analogous

#3082AF #3043AF #5C30AF

triadic

#3043AF #AF3043 #43AF30

tetradic

#3043AF #AF3082 #AF9C30 #30AF5C

square

#3043AF #AF3082 #AF9C30 #30AF5C

split-complementary

#3043AF #AF5C30 #82AF30

monochromatic

#161E4F #23317F #3043AF #4E61CE #7E8CDC

Accessibility & contrast

On white

8.24

#3043AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3043AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043AF

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043AF	#FFFFFF	#000000	##FFFFFF
##3043AF	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3043af;
/* rgb */ color: rgb(48, 67, 175);
/* oklch */ color: oklch(43.8% 0.173 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a77c8',
    500: '#3043af',
    950: '#000000',
  },
}

SCSS

$custom: #3043af;
$custom-light: #7a77c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3043af",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 231.024,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43796,
    "c": 0.17251,
    "h": 270
  },
  "luminance": 0.07738
}

Semantic roles & 50–950 ramp

primary

#3043AF

secondary

#C4B976

accent

#C948E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3043AF

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

Preview Lab → · Contrast checker → · Palette generator →