#3043B5#3043B5

#3043B5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.3% C 0.181 H 269.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3043B5
RGB	rgb(48, 67, 181)
HSL	hsl(231, 58%, 45%)
HSV	hsv(231, 73%, 71%)
CMYK	cmyk(73.5%, 63%, 0%, 29%)
CIE-LAB	lab(33.94, 32.51, -62.48)
CIE-LCH	lch(33.94, 70.43, 297.49°)
OKLab	oklab(44.33% -0.0002 -0.1805)
OKLCH	oklch(44.33% 0.181 269.9)
XYZ	xyz(11.5637, 7.9777, 44.6375)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043B5 #B5A230

analogous

#3085B5 #3043B5 #6030B5

triadic

#3043B5 #B53043 #43B530

tetradic

#3043B5 #B53085 #B5A230 #30B560

square

#3043B5 #B53085 #B5A230 #30B560

split-complementary

#3043B5 #B56030 #85B530

monochromatic

#161F54 #233185 #3043B5 #5164D1 #828FDE

Accessibility & contrast

On white

8.09

#3043B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3043B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043B5

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043B5	#FFFFFF	#000000	##FFFFFF
##3043B5	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3043b5;
/* rgb */ color: rgb(48, 67, 181);
/* oklch */ color: oklch(44.3% 0.181 269.9);

Tailwind

colors: {
  custom: {
    50: '#7c77cc',
    500: '#3043b5',
    950: '#000000',
  },
}

SCSS

$custom: #3043b5;
$custom-light: #7c77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3043b5",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 231.429,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44329,
    "c": 0.18052,
    "h": 269.9
  },
  "luminance": 0.07979
}

Semantic roles & 50–950 ramp

primary

#3043B5

secondary

#C7BC7A

accent

#CB46E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3043B5

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

Preview Lab → · Contrast checker → · Palette generator →