#3A55B2#3A55B2

#3A55B2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.151 H 268.1°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A55B2
RGB	rgb(58, 85, 178)
HSL	hsl(227, 51%, 46%)
HSV	hsv(227, 67%, 70%)
CMYK	cmyk(67.4%, 52.2%, 0%, 30.2%)
CIE-LAB	lab(38.92, 21.09, -52.59)
CIE-LCH	lch(38.92, 56.66, 291.85°)
OKLab	oklab(48.12% -0.005 -0.151)
OKLCH	oklch(48.12% 0.151 268.1)
XYZ	xyz(13.0265, 10.6097, 43.4722)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55B2 #B2973A

analogous

#3A91B2 #3A55B2 #5B3AB2

triadic

#3A55B2 #B23A55 #55B23A

tetradic

#3A55B2 #B23A91 #B2973A #3AB25B

square

#3A55B2 #B23A91 #B2973A #3AB25B

split-complementary

#3A55B2 #B25B3A #91B23A

monochromatic

#1C2956 #2B3F84 #3A55B2 #5F77CB #8D9EDA

Accessibility & contrast

On white

6.73

#3A55B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3A55B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55B2

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55B2	#FFFFFF	#000000	##FFFFFF
##3A55B2	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B61B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3a55b2;
/* rgb */ color: rgb(58, 85, 178);
/* oklch */ color: oklch(48.1% 0.151 268.1);

Tailwind

colors: {
  custom: {
    50: '#7e84ca',
    500: '#3a55b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a55b2;
$custom-light: #7e84ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55b2",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 178
  },
  "hsl": {
    "h": 226.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48116,
    "c": 0.15109,
    "h": 268.1
  },
  "luminance": 0.10611
}

Semantic roles & 50–950 ramp

primary

#3A55B2

secondary

#C4B683

accent

#BB4DDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A55B2

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

Preview Lab → · Contrast checker → · Palette generator →