#3043A5#3043A5

#3043A5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.159 H 270.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3043A5
RGB	rgb(48, 67, 165)
HSL	hsl(230, 55%, 42%)
HSV	hsv(230, 71%, 65%)
CMYK	cmyk(70.9%, 59.4%, 0%, 35.3%)
CIE-LAB	lab(32.61, 26.64, -55.10)
CIE-LCH	lch(32.61, 61.21, 295.80°)
OKLab	oklab(42.93% 0 -0.1589)
OKLCH	oklch(42.93% 0.159 270)
XYZ	xyz(10.0153, 7.3583, 36.4825)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043A5 #A59230

analogous

#307EA5 #3043A5 #5730A5

triadic

#3043A5 #A53043 #43A530

tetradic

#3043A5 #A5307E #A59230 #30A557

square

#3043A5 #A5307E #A59230 #30A557

split-complementary

#3043A5 #A55730 #7EA530

monochromatic

#141C46 #223076 #3043A5 #485DCA #7887D8

Accessibility & contrast

On white

8.50

#3043A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3043A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043A5

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043A5	#FFFFFF	#000000	##FFFFFF
##3043A5	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#0047A3

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3043a5;
/* rgb */ color: rgb(48, 67, 165);
/* oklch */ color: oklch(42.9% 0.159 270.0);

Tailwind

colors: {
  custom: {
    50: '#7876c0',
    500: '#3043a5',
    950: '#000000',
  },
}

SCSS

$custom: #3043a5;
$custom-light: #7876c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3043a5",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 165
  },
  "hsl": {
    "h": 230.256,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42933,
    "c": 0.15887,
    "h": 270
  },
  "luminance": 0.07359
}

Semantic roles & 50–950 ramp

primary

#3043A5

secondary

#C0B371

accent

#C64ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3043A5

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

Preview Lab → · Contrast checker → · Palette generator →