#3954BA#3954BA

#3954BA is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.164 H 268.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3954BA
RGB	rgb(57, 84, 186)
HSL	hsl(227, 53%, 48%)
HSV	hsv(227, 69%, 73%)
CMYK	cmyk(69.4%, 54.8%, 0%, 27.1%)
CIE-LAB	lab(39.16, 24.50, -56.89)
CIE-LCH	lch(39.16, 61.94, 293.30°)
OKLab	oklab(48.47% -0.0045 -0.1637)
OKLCH	oklch(48.47% 0.164 268.4)
XYZ	xyz(13.7175, 10.7543, 47.7977)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954BA #BA9F39

analogous

#3994BA #3954BA #5F39BA

triadic

#3954BA #BA3954 #54BA39

tetradic

#3954BA #BA3994 #BA9F39 #39BA5F

square

#3954BA #BA3994 #BA9F39 #39BA5F

split-complementary

#3954BA #BA5F39 #94BA39

monochromatic

#1C2A5C #2B3F8B #3954BA #6178CF #90A0DD

Accessibility & contrast

On white

6.66

#3954BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3954BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954BA

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954BA	#FFFFFF	#000000	##FFFFFF
##3954BA	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BE

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3954ba;
/* rgb */ color: rgb(57, 84, 186);
/* oklch */ color: oklch(48.5% 0.164 268.4);

Tailwind

colors: {
  custom: {
    50: '#7f83cf',
    500: '#3954ba',
    950: '#000000',
  },
}

SCSS

$custom: #3954ba;
$custom-light: #7f83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3954ba",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 186
  },
  "hsl": {
    "h": 227.442,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48471,
    "c": 0.16376,
    "h": 268.4
  },
  "luminance": 0.10756
}

Semantic roles & 50–950 ramp

primary

#3954BA

secondary

#C8BA87

accent

#BE4BDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3954BA

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

Preview Lab → · Contrast checker → · Palette generator →