#3A54BB#3A54BB

#3A54BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.165 H 268.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A54BB
RGB	rgb(58, 84, 187)
HSL	hsl(228, 53%, 48%)
HSV	hsv(228, 69%, 73%)
CMYK	cmyk(69%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(39.29, 25.01, -57.27)
CIE-LCH	lch(39.29, 62.50, 293.59°)
OKLab	oklab(48.6% -0.0035 -0.1648)
OKLCH	oklch(48.6% 0.165 268.8)
XYZ	xyz(13.8818, 10.8267, 48.3623)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A54BB #BBA13A

analogous

#3A94BB #3A54BB #603ABB

triadic

#3A54BB #BB3A54 #54BB3A

tetradic

#3A54BB #BB3A94 #BBA13A #3ABB60

square

#3A54BB #BB3A94 #BBA13A #3ABB60

split-complementary

#3A54BB #BB603A #94BB3A

monochromatic

#1D2A5E #2C3F8C #3A54BB #6379CF #92A1DD

Accessibility & contrast

On white

6.63

#3A54BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3A54BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A54BB

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A54BB	#FFFFFF	#000000	##FFFFFF
##3A54BB	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3a54bb;
/* rgb */ color: rgb(58, 84, 187);
/* oklch */ color: oklch(48.6% 0.165 268.8);

Tailwind

colors: {
  custom: {
    50: '#8083d0',
    500: '#3a54bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a54bb;
$custom-light: #8083d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a54bb",
  "rgb": {
    "r": 58,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 227.907,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.486,
    "c": 0.16485,
    "h": 268.8
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#3A54BB

secondary

#C8BB88

accent

#BF4CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A54BB

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

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