#3054B3#3054B3

#3054B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.157 H 265.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3054B3
RGB	rgb(48, 84, 179)
HSL	hsl(224, 58%, 45%)
HSV	hsv(224, 73%, 70%)
CMYK	cmyk(73.2%, 53.1%, 0%, 29.8%)
CIE-LAB	lab(38.24, 20.64, -54.30)
CIE-LCH	lch(38.24, 58.09, 290.81°)
OKLab	oklab(47.5% -0.0131 -0.1562)
OKLCH	oklch(47.5% 0.157 265.2)
XYZ	xyz(12.5231, 10.2224, 43.9522)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3054B3 #B38F30

analogous

#3096B3 #3054B3 #4D30B3

triadic

#3054B3 #B33054 #54B330

tetradic

#3054B3 #B33096 #B38F30 #30B34D

square

#3054B3 #B33096 #B38F30 #30B34D

split-complementary

#3054B3 #B34D30 #96B330

monochromatic

#162752 #233D83 #3054B3 #5073D0 #809ADD

Accessibility & contrast

On white

6.90

#3054B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3054B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3054B3

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3054B3	#FFFFFF	#000000	##FFFFFF
##3054B3	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1160B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3054b3;
/* rgb */ color: rgb(48, 84, 179);
/* oklch */ color: oklch(47.5% 0.157 265.2);

Tailwind

colors: {
  custom: {
    50: '#7a83ca',
    500: '#3054b3',
    950: '#000000',
  },
}

SCSS

$custom: #3054b3;
$custom-light: #7a83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3054b3",
  "rgb": {
    "r": 48,
    "g": 84,
    "b": 179
  },
  "hsl": {
    "h": 223.511,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47497,
    "c": 0.1568,
    "h": 265.2
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary

#3054B3

secondary

#C6B179

accent

#B747E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3054B3

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

Preview Lab → · Contrast checker → · Palette generator →