#3051B3#3051B3

#3051B3 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.161 H 266.2°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#3051B3
RGB	rgb(48, 81, 179)
HSL	hsl(225, 58%, 45%)
HSV	hsv(225, 73%, 70%)
CMYK	cmyk(73.2%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(37.42, 22.61, -55.62)
CIE-LCH	lch(37.42, 60.04, 292.12°)
OKLab	oklab(46.88% -0.0106 -0.1602)
OKLCH	oklch(46.88% 0.161 266.2)
XYZ	xyz(12.2952, 9.7666, 43.8762)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051B3 #B39230

analogous

#3093B3 #3051B3 #5030B3

triadic

#3051B3 #B33051 #51B330

tetradic

#3051B3 #B33093 #B39230 #30B350

square

#3051B3 #B33093 #B39230 #30B350

split-complementary

#3051B3 #B35030 #93B330

monochromatic

#162552 #233B83 #3051B3 #5070D0 #8098DD

Accessibility & contrast

On white

7.11

#3051B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3051B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3051B3

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051B3	#FFFFFF	#000000	##FFFFFF
##3051B3	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3051b3;
/* rgb */ color: rgb(48, 81, 179);
/* oklch */ color: oklch(46.9% 0.161 266.2);

Tailwind

colors: {
  custom: {
    50: '#7a81ca',
    500: '#3051b3',
    950: '#000000',
  },
}

SCSS

$custom: #3051b3;
$custom-light: #7a81ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3051b3",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 224.885,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46878,
    "c": 0.16055,
    "h": 266.2
  },
  "luminance": 0.09768
}

Semantic roles & 50–950 ramp

primary

#3051B3

secondary

#C6B379

accent

#BA47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3051B3

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

Preview Lab → · Contrast checker → · Palette generator →