#3059B4#3059B4

#3059B4 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.152 H 263.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3059B4
RGB	rgb(48, 89, 180)
HSL	hsl(221, 58%, 45%)
HSV	hsv(221, 73%, 71%)
CMYK	cmyk(73.3%, 50.6%, 0%, 29.4%)
CIE-LAB	lab(39.69, 17.73, -52.53)
CIE-LCH	lch(39.69, 55.45, 288.65°)
OKLab	oklab(48.63% -0.0171 -0.151)
OKLCH	oklch(48.63% 0.152 263.5)
XYZ	xyz(13.0266, 11.0670, 44.6208)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059B4 #B48B30

analogous

#309BB4 #3059B4 #4930B4

triadic

#3059B4 #B43059 #59B430

tetradic

#3059B4 #B4309B #B48B30 #30B449

square

#3059B4 #B4309B #B48B30 #30B449

split-complementary

#3059B4 #B44930 #9BB430

monochromatic

#162953 #234184 #3059B4 #5178D1 #819EDD

Accessibility & contrast

On white

6.53

#3059B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3059B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059B4

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059B4	#FFFFFF	#000000	##FFFFFF
##3059B4	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2264B7

Deuteranopia (green-blind)

#0058B2

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3059b4;
/* rgb */ color: rgb(48, 89, 180);
/* oklch */ color: oklch(48.6% 0.152 263.5);

Tailwind

colors: {
  custom: {
    50: '#7a87cb',
    500: '#3059b4',
    950: '#000000',
  },
}

SCSS

$custom: #3059b4;
$custom-light: #7a87cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3059b4",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 180
  },
  "hsl": {
    "h": 221.364,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48625,
    "c": 0.15195,
    "h": 263.5
  },
  "luminance": 0.11068
}

Semantic roles & 50–950 ramp

primary

#3059B4

secondary

#C6AE79

accent

#B147E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3059B4

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

Preview Lab → · Contrast checker → · Palette generator →