#3043AA#3043AA

#3043AA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.166 H 270.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3043AA
RGB	rgb(48, 67, 170)
HSL	hsl(231, 56%, 43%)
HSV	hsv(231, 72%, 67%)
CMYK	cmyk(71.8%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(33.01, 28.49, -57.44)
CIE-LCH	lch(33.01, 64.11, 296.38°)
OKLab	oklab(43.36% 0 -0.1657)
OKLCH	oklch(43.36% 0.166 270)
XYZ	xyz(10.4793, 7.5439, 38.9263)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043AA #AA9730

analogous

#3080AA #3043AA #5A30AA

triadic

#3043AA #AA3043 #43AA30

tetradic

#3043AA #AA3080 #AA9730 #30AA5A

square

#3043AA #AA3080 #AA9730 #30AA5A

split-complementary

#3043AA #AA5A30 #80AA30

monochromatic

#151D4B #23307A #3043AA #4B5FCC #7B8ADA

Accessibility & contrast

On white

8.37

#3043AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3043AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043AA

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043AA	#FFFFFF	#000000	##FFFFFF
##3043AA	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0048A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3043aa;
/* rgb */ color: rgb(48, 67, 170);
/* oklch */ color: oklch(43.4% 0.166 270.0);

Tailwind

colors: {
  custom: {
    50: '#7977c4',
    500: '#3043aa',
    950: '#000000',
  },
}

SCSS

$custom: #3043aa;
$custom-light: #7977c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3043aa",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 230.656,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43361,
    "c": 0.16574,
    "h": 270
  },
  "luminance": 0.07545
}

Semantic roles & 50–950 ramp

primary

#3043AA

secondary

#C2B674

accent

#C849DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3043AA

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

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