#3043A4#3043A4

#3043A4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.157 H 270.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3043A4
RGB	rgb(48, 67, 164)
HSL	hsl(230, 55%, 42%)
HSV	hsv(230, 71%, 64%)
CMYK	cmyk(70.7%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.53, 26.27, -54.63)
CIE-LCH	lch(32.53, 60.62, 295.68°)
OKLab	oklab(42.85% 0 -0.1575)
OKLCH	oklch(42.85% 0.157 270)
XYZ	xyz(9.9246, 7.3220, 36.0050)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043A4 #A49130

analogous

#307DA4 #3043A4 #5730A4

triadic

#3043A4 #A43043 #43A430

tetradic

#3043A4 #A4307D #A49130 #30A457

square

#3043A4 #A4307D #A49130 #30A457

split-complementary

#3043A4 #A45730 #7DA430

monochromatic

#141C45 #223075 #3043A4 #485DC9 #7787D7

Accessibility & contrast

On white

8.52

#3043A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3043A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043A4

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043A4	#FFFFFF	#000000	##FFFFFF
##3043A4	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A7

Deuteranopia (green-blind)

#0047A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3043a4;
/* rgb */ color: rgb(48, 67, 164);
/* oklch */ color: oklch(42.8% 0.157 270.0);

Tailwind

colors: {
  custom: {
    50: '#7876c0',
    500: '#3043a4',
    950: '#000000',
  },
}

SCSS

$custom: #3043a4;
$custom-light: #7876c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3043a4",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 230.172,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42848,
    "c": 0.15749,
    "h": 270
  },
  "luminance": 0.07323
}

Semantic roles & 50–950 ramp

primary

#3043A4

secondary

#BFB270

accent

#C64ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3043A4

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

Preview Lab → · Contrast checker → · Palette generator →