#3043AD#3043AD

#3043AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.170 H 270.0°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3043AD
RGB	rgb(48, 67, 173)
HSL	hsl(231, 57%, 43%)
HSV	hsv(231, 72%, 68%)
CMYK	cmyk(72.3%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(33.26, 29.59, -58.83)
CIE-LCH	lch(33.26, 65.85, 296.70°)
OKLab	oklab(43.62% 0 -0.1698)
OKLCH	oklch(43.62% 0.17 270)
XYZ	xyz(10.7663, 7.6587, 40.4379)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043AD #AD9A30

analogous

#3081AD #3043AD #5B30AD

triadic

#3043AD #AD3043 #43AD30

tetradic

#3043AD #AD3081 #AD9A30 #30AD5B

square

#3043AD #AD3081 #AD9A30 #30AD5B

split-complementary

#3043AD #AD5B30 #81AD30

monochromatic

#151E4D #23307D #3043AD #4D60CE #7D8BDB

Accessibility & contrast

On white

8.29

#3043AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3043AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043AD

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043AD	#FFFFFF	#000000	##FFFFFF
##3043AD	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3043ad;
/* rgb */ color: rgb(48, 67, 173);
/* oklch */ color: oklch(43.6% 0.170 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a77c6',
    500: '#3043ad',
    950: '#000000',
  },
}

SCSS

$custom: #3043ad;
$custom-light: #7a77c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3043ad",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 230.88,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43621,
    "c": 0.16981,
    "h": 270
  },
  "luminance": 0.0766
}

Semantic roles & 50–950 ramp

primary

#3043AD

secondary

#C3B875

accent

#C948E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3043AD

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

Preview Lab → · Contrast checker → · Palette generator →