#3043AB#3043AB

#3043AB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.167 H 270.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3043AB
RGB	rgb(48, 67, 171)
HSL	hsl(231, 56%, 43%)
HSV	hsv(231, 72%, 67%)
CMYK	cmyk(71.9%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(33.10, 28.85, -57.90)
CIE-LCH	lch(33.10, 64.69, 296.49°)
OKLab	oklab(43.45% 0 -0.1671)
OKLCH	oklch(43.45% 0.167 270)
XYZ	xyz(10.5743, 7.5819, 39.4264)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043AB #AB9830

analogous

#3080AB #3043AB #5B30AB

triadic

#3043AB #AB3043 #43AB30

tetradic

#3043AB #AB3080 #AB9830 #30AB5B

square

#3043AB #AB3080 #AB9830 #30AB5B

split-complementary

#3043AB #AB5B30 #80AB30

monochromatic

#151E4B #23307B #3043AB #4C60CD #7B8ADA

Accessibility & contrast

On white

8.34

#3043AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3043AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043AB

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043AB	#FFFFFF	#000000	##FFFFFF
##3043AB	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0048A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3043ab;
/* rgb */ color: rgb(48, 67, 171);
/* oklch */ color: oklch(43.4% 0.167 270.0);

Tailwind

colors: {
  custom: {
    50: '#7977c5',
    500: '#3043ab',
    950: '#000000',
  },
}

SCSS

$custom: #3043ab;
$custom-light: #7977c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3043ab",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 230.732,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43447,
    "c": 0.1671,
    "h": 270
  },
  "luminance": 0.07583
}

Semantic roles & 50–950 ramp

primary

#3043AB

secondary

#C3B674

accent

#C848DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3043AB

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

Preview Lab → · Contrast checker → · Palette generator →