#3B54AF#3B54AF

#3B54AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.148 H 268.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3B54AF
RGB	rgb(59, 84, 175)
HSL	hsl(227, 50%, 46%)
HSV	hsv(227, 66%, 69%)
CMYK	cmyk(66.3%, 52%, 0%, 31.4%)
CIE-LAB	lab(38.49, 20.82, -51.50)
CIE-LCH	lch(38.49, 55.55, 292.01°)
OKLab	oklab(47.74% -0.0034 -0.1478)
OKLCH	oklch(47.74% 0.148 268.7)
XYZ	xyz(12.7092, 10.3644, 41.8799)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B54AF #AF963B

analogous

#3B8EAF #3B54AF #5C3BAF

triadic

#3B54AF #AF3B54 #54AF3B

tetradic

#3B54AF #AF3B8E #AF963B #3BAF5C

square

#3B54AF #AF3B8E #AF963B #3BAF5C

split-complementary

#3B54AF #AF5C3B #8EAF3B

monochromatic

#1C2853 #2C3E81 #3B54AF #5E75C9 #8C9DD8

Accessibility & contrast

On white

6.83

#3B54AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3B54AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B54AF

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B54AF	#FFFFFF	#000000	##FFFFFF
##3B54AF	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D60B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b54af;
/* rgb */ color: rgb(59, 84, 175);
/* oklch */ color: oklch(47.7% 0.148 268.7);

Tailwind

colors: {
  custom: {
    50: '#7e83c7',
    500: '#3b54af',
    950: '#000000',
  },
}

SCSS

$custom: #3b54af;
$custom-light: #7e83c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b54af",
  "rgb": {
    "r": 59,
    "g": 84,
    "b": 175
  },
  "hsl": {
    "h": 227.069,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47742,
    "c": 0.14785,
    "h": 268.7
  },
  "luminance": 0.10366
}

Semantic roles & 50–950 ramp

primary

#3B54AF

secondary

#C3B583

accent

#BB4FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3B54AF

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

Preview Lab → · Contrast checker → · Palette generator →