#3045B9#3045B9

#3045B9 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.1% C 0.183 H 269.5°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3045B9
RGB	rgb(48, 69, 185)
HSL	hsl(231, 59%, 46%)
HSV	hsv(231, 74%, 73%)
CMYK	cmyk(74.1%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(34.77, 32.68, -63.47)
CIE-LCH	lch(34.77, 71.39, 297.24°)
OKLab	oklab(45.05% -0.0017 -0.1834)
OKLCH	oklch(45.05% 0.183 269.5)
XYZ	xyz(12.1010, 8.3861, 46.8705)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3045B9 #B9A430

analogous

#3089B9 #3045B9 #5F30B9

triadic

#3045B9 #B93045 #45B930

tetradic

#3045B9 #B93089 #B9A430 #30B95F

square

#3045B9 #B93089 #B9A430 #30B95F

split-complementary

#3045B9 #B95F30 #89B930

monochromatic

#172158 #233388 #3045B9 #5467D3 #8492DF

Accessibility & contrast

On white

7.84

#3045B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3045B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3045B9

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3045B9	#FFFFFF	#000000	##FFFFFF
##3045B9	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3045b9;
/* rgb */ color: rgb(48, 69, 185);
/* oklch */ color: oklch(45.1% 0.183 269.5);

Tailwind

colors: {
  custom: {
    50: '#7c78cf',
    500: '#3045b9',
    950: '#000000',
  },
}

SCSS

$custom: #3045b9;
$custom-light: #7c78cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3045b9",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 230.803,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45052,
    "c": 0.18342,
    "h": 269.5
  },
  "luminance": 0.08387
}

Semantic roles & 50–950 ramp

primary

#3045B9

secondary

#C9BD7C

accent

#CA46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3045B9

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

Preview Lab → · Contrast checker → · Palette generator →