#3043A3#3043A3

#3043A3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.156 H 270.0°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3043A3
RGB	rgb(48, 67, 163)
HSL	hsl(230, 55%, 41%)
HSV	hsv(230, 71%, 64%)
CMYK	cmyk(70.6%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(32.45, 25.90, -54.16)
CIE-LCH	lch(32.45, 60.03, 295.56°)
OKLab	oklab(42.76% 0 -0.1561)
OKLCH	oklch(42.76% 0.156 270)
XYZ	xyz(9.8347, 7.2861, 35.5313)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043A3 #A39030

analogous

#307DA3 #3043A3 #5730A3

triadic

#3043A3 #A33043 #43A330

tetradic

#3043A3 #A3307D #A39030 #30A357

square

#3043A3 #A3307D #A39030 #30A357

split-complementary

#3043A3 #A35730 #7DA330

monochromatic

#141C44 #223074 #3043A3 #475DC9 #7786D7

Accessibility & contrast

On white

8.55

#3043A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3043A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043A3

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043A3	#FFFFFF	#000000	##FFFFFF
##3043A3	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3043a3;
/* rgb */ color: rgb(48, 67, 163);
/* oklch */ color: oklch(42.8% 0.156 270.0);

Tailwind

colors: {
  custom: {
    50: '#7776bf',
    500: '#3043a3',
    950: '#000000',
  },
}

SCSS

$custom: #3043a3;
$custom-light: #7776bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3043a3",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 230.087,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42764,
    "c": 0.1561,
    "h": 270
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary

#3043A3

secondary

#BFB270

accent

#C54ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3043A3

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

Preview Lab → · Contrast checker → · Palette generator →