#3043B1#3043B1

#3043B1 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.175 H 270.0°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#3043B1
RGBrgb(48, 67, 177)
HSLhsl(231, 57%, 44%)
HSVhsv(231, 73%, 69%)
CMYKcmyk(72.9%, 62.1%, 0%, 30.6%)
CIE-LABlab(33.60, 31.05, -60.66)
CIE-LCHlch(33.60, 68.15, 297.11°)
OKLaboklab(43.97% -0.0001 -0.1752)
OKLCHoklch(43.97% 0.175 270)
XYZxyz(11.1592, 7.8159, 42.5070)
Luminance0.0782 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3043B1 #B19E30
analogous
#3084B1 #3043B1 #5E30B1
triadic
#3043B1 #B13043 #43B130
tetradic
#3043B1 #B13084 #B19E30 #30B15E
square
#3043B1 #B13084 #B19E30 #30B15E
split-complementary
#3043B1 #B15E30 #84B130
monochromatic
#161F51 #233181 #3043B1 #4F62CF #7F8DDC

Accessibility & contrast

On white

8.19
#3043B1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#3043B1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043B1
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3043B1#FFFFFF#000000##FFFFFF
##3043B11.008.192.568.19
#FFFFFF8.191.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055B5
Deuteranopia (green-blind)
#0049AF
Tritanopia (blue-blind)
#005F73
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #3043b1;
/* rgb */ color: rgb(48, 67, 177);
/* oklch */ color: oklch(44.0% 0.175 270.0);
Tailwind
colors: {
  custom: {
    50: '#7b77c9',
    500: '#3043b1',
    950: '#000000',
  },
}
SCSS
$custom: #3043b1;
$custom-light: #7b77c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3043b1",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 177
  },
  "hsl": {
    "h": 231.163,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43973,
    "c": 0.17519,
    "h": 270
  },
  "luminance": 0.07817
}

Semantic roles & 50–950 ramp

primary
#3043B1
secondary
#C5BA78
accent
#CA47E1
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82

Preview Lab

Preview with #3043B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3043B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva