#3B58BC#3B58BC

#3B58BC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.161 H 267.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3B58BC
RGB	rgb(59, 88, 188)
HSL	hsl(227, 52%, 48%)
HSV	hsv(227, 69%, 74%)
CMYK	cmyk(68.6%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(40.47, 22.93, -55.94)
CIE-LCH	lch(40.47, 60.45, 292.29°)
OKLab	oklab(49.53% -0.0059 -0.1608)
OKLCH	oklch(49.53% 0.161 267.9)
XYZ	xyz(14.3673, 11.5387, 49.0372)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B58BC #BC9F3B

analogous

#3B98BC #3B58BC #5E3BBC

triadic

#3B58BC #BC3B58 #58BC3B

tetradic

#3B58BC #BC3B98 #BC9F3B #3BBC5E

square

#3B58BC #BC3B98 #BC9F3B #3BBC5E

split-complementary

#3B58BC #BC5E3B #98BC3B

monochromatic

#1E2C5F #2C428D #3B58BC #657DCF #94A4DD

Accessibility & contrast

On white

6.35

#3B58BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3B58BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B58BC

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B58BC	#FFFFFF	#000000	##FFFFFF
##3B58BC	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C0

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3b58bc;
/* rgb */ color: rgb(59, 88, 188);
/* oklch */ color: oklch(49.5% 0.161 267.9);

Tailwind

colors: {
  custom: {
    50: '#8086d1',
    500: '#3b58bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b58bc;
$custom-light: #8086d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b58bc",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 226.512,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4953,
    "c": 0.1609,
    "h": 267.9
  },
  "luminance": 0.1154
}

Semantic roles & 50–950 ramp

primary

#3B58BC

secondary

#C9BB8A

accent

#BB4CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B58BC

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

Preview Lab → · Contrast checker → · Palette generator →