#3045B0#3045B0

#3045B0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.3% C 0.171 H 269.5°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3045B0
RGB	rgb(48, 69, 176)
HSL	hsl(230, 57%, 44%)
HSV	hsv(230, 73%, 69%)
CMYK	cmyk(72.7%, 60.8%, 0%, 31%)
CIE-LAB	lab(34.02, 29.38, -59.37)
CIE-LCH	lch(34.02, 66.25, 296.33°)
OKLab	oklab(44.26% -0.0015 -0.1714)
OKLCH	oklch(44.26% 0.171 269.5)
XYZ	xyz(11.1808, 8.0181, 42.0243)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3045B0 #B09B30

analogous

#3085B0 #3045B0 #5B30B0

triadic

#3045B0 #B03045 #45B030

tetradic

#3045B0 #B03085 #B09B30 #30B05B

square

#3045B0 #B03085 #B09B30 #30B05B

split-complementary

#3045B0 #B05B30 #85B030

monochromatic

#161F50 #233280 #3045B0 #4E63CF #7E8EDC

Accessibility & contrast

On white

8.07

#3045B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3045B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3045B0

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3045B0	#FFFFFF	#000000	##FFFFFF
##3045B0	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B4

Deuteranopia (green-blind)

#004AAE

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3045b0;
/* rgb */ color: rgb(48, 69, 176);
/* oklch */ color: oklch(44.3% 0.171 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a78c8',
    500: '#3045b0',
    950: '#000000',
  },
}

SCSS

$custom: #3045b0;
$custom-light: #7a78c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3045b0",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 176
  },
  "hsl": {
    "h": 230.156,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44261,
    "c": 0.1714,
    "h": 269.5
  },
  "luminance": 0.08019
}

Semantic roles & 50–950 ramp

primary

#3045B0

secondary

#C5B877

accent

#C747E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3045B0

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

Preview Lab → · Contrast checker → · Palette generator →