#3045B1#3045B1

#3045B1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.173 H 269.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3045B1
RGB	rgb(48, 69, 177)
HSL	hsl(230, 57%, 44%)
HSV	hsv(230, 73%, 69%)
CMYK	cmyk(72.9%, 61%, 0%, 30.6%)
CIE-LAB	lab(34.10, 29.75, -59.83)
CIE-LCH	lch(34.10, 66.82, 296.44°)
OKLab	oklab(44.35% -0.0015 -0.1727)
OKLCH	oklch(44.35% 0.173 269.5)
XYZ	xyz(11.2801, 8.0578, 42.5473)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3045B1 #B19C30

analogous

#3085B1 #3045B1 #5C30B1

triadic

#3045B1 #B13045 #45B130

tetradic

#3045B1 #B13085 #B19C30 #30B15C

square

#3045B1 #B13085 #B19C30 #30B15C

split-complementary

#3045B1 #B15C30 #85B130

monochromatic

#161F51 #233281 #3045B1 #4F64CF #7F8EDC

Accessibility & contrast

On white

8.04

#3045B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3045B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3045B1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3045B1	#FFFFFF	#000000	##FFFFFF
##3045B1	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B5

Deuteranopia (green-blind)

#004AAF

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3045b1;
/* rgb */ color: rgb(48, 69, 177);
/* oklch */ color: oklch(44.3% 0.173 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a78c9',
    500: '#3045b1',
    950: '#000000',
  },
}

SCSS

$custom: #3045b1;
$custom-light: #7a78c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3045b1",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 177
  },
  "hsl": {
    "h": 230.233,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44348,
    "c": 0.17275,
    "h": 269.5
  },
  "luminance": 0.08059
}

Semantic roles & 50–950 ramp

primary

#3045B1

secondary

#C5B978

accent

#C847E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3045B1

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

Preview Lab → · Contrast checker → · Palette generator →