#3043B3#3043B3

#3043B3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.178 H 269.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3043B3
RGB	rgb(48, 67, 179)
HSL	hsl(231, 58%, 45%)
HSV	hsv(231, 73%, 70%)
CMYK	cmyk(73.2%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.77, 31.78, -61.57)
CIE-LCH	lch(33.77, 69.29, 297.30°)
OKLab	oklab(44.15% -0.0002 -0.1779)
OKLCH	oklch(44.15% 0.178 269.9)
XYZ	xyz(11.3600, 7.8962, 43.5645)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043B3 #B3A030

analogous

#3084B3 #3043B3 #5F30B3

triadic

#3043B3 #B33043 #43B330

tetradic

#3043B3 #B33084 #B3A030 #30B35F

square

#3043B3 #B33084 #B3A030 #30B35F

split-complementary

#3043B3 #B35F30 #84B330

monochromatic

#161F52 #233183 #3043B3 #5063D0 #808EDD

Accessibility & contrast

On white

8.14

#3043B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3043B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043B3

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043B3	#FFFFFF	#000000	##FFFFFF
##3043B3	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3043b3;
/* rgb */ color: rgb(48, 67, 179);
/* oklch */ color: oklch(44.1% 0.178 269.9);

Tailwind

colors: {
  custom: {
    50: '#7b77cb',
    500: '#3043b3',
    950: '#000000',
  },
}

SCSS

$custom: #3043b3;
$custom-light: #7b77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3043b3",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 231.298,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4415,
    "c": 0.17786,
    "h": 269.9
  },
  "luminance": 0.07897
}

Semantic roles & 50–950 ramp

primary

#3043B3

secondary

#C6BB79

accent

#CB47E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3043B3

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

Preview Lab → · Contrast checker → · Palette generator →