#3045B5#3045B5

#3045B5 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.178 H 269.5°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3045B5
RGB	rgb(48, 69, 181)
HSL	hsl(231, 58%, 45%)
HSV	hsv(231, 73%, 71%)
CMYK	cmyk(73.5%, 61.9%, 0%, 29%)
CIE-LAB	lab(34.44, 31.22, -61.66)
CIE-LCH	lch(34.44, 69.11, 296.85°)
OKLab	oklab(44.7% -0.0016 -0.1781)
OKLCH	oklch(44.7% 0.178 269.5)
XYZ	xyz(11.6847, 8.2196, 44.6778)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3045B5 #B5A030

analogous

#3088B5 #3045B5 #5D30B5

triadic

#3045B5 #B53045 #45B530

tetradic

#3045B5 #B53088 #B5A030 #30B55D

square

#3045B5 #B53088 #B5A030 #30B55D

split-complementary

#3045B5 #B55D30 #88B530

monochromatic

#162054 #233385 #3045B5 #5165D1 #8290DE

Accessibility & contrast

On white

7.94

#3045B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3045B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3045B5

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3045B5	#FFFFFF	#000000	##FFFFFF
##3045B5	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3045b5;
/* rgb */ color: rgb(48, 69, 181);
/* oklch */ color: oklch(44.7% 0.178 269.5);

Tailwind

colors: {
  custom: {
    50: '#7b78cc',
    500: '#3045b5',
    950: '#000000',
  },
}

SCSS

$custom: #3045b5;
$custom-light: #7b78cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3045b5",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 181
  },
  "hsl": {
    "h": 230.526,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44698,
    "c": 0.17811,
    "h": 269.5
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#3045B5

secondary

#C7BB7A

accent

#C946E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3045B5

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

Preview Lab → · Contrast checker → · Palette generator →