#3A55BB#3A55BB

#3A55BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.164 H 268.5°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3A55BB
RGB	rgb(58, 85, 187)
HSL	hsl(227, 53%, 48%)
HSV	hsv(227, 69%, 73%)
CMYK	cmyk(69%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(39.55, 24.36, -56.85)
CIE-LCH	lch(39.55, 61.84, 293.20°)
OKLab	oklab(48.8% -0.0043 -0.1635)
OKLCH	oklch(48.8% 0.164 268.5)
XYZ	xyz(13.9600, 10.9830, 48.3883)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55BB #BBA03A

analogous

#3A95BB #3A55BB #5F3ABB

triadic

#3A55BB #BB3A55 #55BB3A

tetradic

#3A55BB #BB3A95 #BBA03A #3ABB5F

square

#3A55BB #BB3A95 #BBA03A #3ABB5F

split-complementary

#3A55BB #BB5F3A #95BB3A

monochromatic

#1D2B5E #2C408C #3A55BB #637ACF #92A2DD

Accessibility & contrast

On white

6.57

#3A55BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3A55BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55BB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55BB	#FFFFFF	#000000	##FFFFFF
##3A55BB	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0163BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3a55bb;
/* rgb */ color: rgb(58, 85, 187);
/* oklch */ color: oklch(48.8% 0.164 268.5);

Tailwind

colors: {
  custom: {
    50: '#8084d0',
    500: '#3a55bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a55bb;
$custom-light: #8084d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55bb",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 227.442,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48799,
    "c": 0.16359,
    "h": 268.5
  },
  "luminance": 0.10984
}

Semantic roles & 50–950 ramp

primary

#3A55BB

secondary

#C8BB88

accent

#BE4CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A55BB

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

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