#3059B0#3059B0

#3059B0 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.146 H 263.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3059B0
RGB	rgb(48, 89, 176)
HSL	hsl(221, 57%, 44%)
HSV	hsv(221, 73%, 69%)
CMYK	cmyk(72.7%, 49.4%, 0%, 31%)
CIE-LAB	lab(39.42, 16.22, -50.61)
CIE-LCH	lch(39.42, 53.15, 287.77°)
OKLab	oklab(48.33% -0.0176 -0.1453)
OKLCH	oklch(48.33% 0.146 263.1)
XYZ	xyz(12.6250, 10.9064, 42.5057)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059B0 #B08730

analogous

#3099B0 #3059B0 #4730B0

triadic

#3059B0 #B03059 #59B030

tetradic

#3059B0 #B03099 #B08730 #30B047

square

#3059B0 #B03099 #B08730 #30B047

split-complementary

#3059B0 #B04730 #99B030

monochromatic

#162850 #234180 #3059B0 #4E78CF #7E9CDC

Accessibility & contrast

On white

6.60

#3059B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3059B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059B0

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059B0	#FFFFFF	#000000	##FFFFFF
##3059B0	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2763B3

Deuteranopia (green-blind)

#0057AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3059b0;
/* rgb */ color: rgb(48, 89, 176);
/* oklch */ color: oklch(48.3% 0.146 263.1);

Tailwind

colors: {
  custom: {
    50: '#7987c8',
    500: '#3059b0',
    950: '#000000',
  },
}

SCSS

$custom: #3059b0;
$custom-light: #7987c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3059b0",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 220.781,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48332,
    "c": 0.1464,
    "h": 263.1
  },
  "luminance": 0.10908
}

Semantic roles & 50–950 ramp

primary

#3059B0

secondary

#C5AC77

accent

#AF47E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3059B0

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

Preview Lab → · Contrast checker → · Palette generator →