#3951AE#3951AE

#3951AE is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.151 H 269.0°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#3951AE
RGB	rgb(57, 81, 174)
HSL	hsl(228, 51%, 45%)
HSV	hsv(228, 67%, 68%)
CMYK	cmyk(67.2%, 53.4%, 0%, 31.8%)
CIE-LAB	lab(37.50, 22.08, -52.52)
CIE-LCH	lch(37.50, 56.97, 292.81°)
OKLab	oklab(46.94% -0.0027 -0.1509)
OKLCH	oklch(46.94% 0.151 269)
XYZ	xyz(12.2671, 9.8096, 41.2831)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3951AE #AE9639

analogous

#398CAE #3951AE #5B39AE

triadic

#3951AE #AE3951 #51AE39

tetradic

#3951AE #AE398C #AE9639 #39AE5B

square

#3951AE #AE398C #AE9639 #39AE5B

split-complementary

#3951AE #AE5B39 #8CAE39

monochromatic

#1B2652 #2A3C80 #3951AE #5B72C9 #8999D8

Accessibility & contrast

On white

7.09

#3951AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3951AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3951AE

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3951AE	#FFFFFF	#000000	##FFFFFF
##3951AE	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125EB1

Deuteranopia (green-blind)

#0053AC

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3951ae;
/* rgb */ color: rgb(57, 81, 174);
/* oklch */ color: oklch(46.9% 0.151 269.0);

Tailwind

colors: {
  custom: {
    50: '#7d81c7',
    500: '#3951ae',
    950: '#000000',
  },
}

SCSS

$custom: #3951ae;
$custom-light: #7d81c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3951ae",
  "rgb": {
    "r": 57,
    "g": 81,
    "b": 174
  },
  "hsl": {
    "h": 227.692,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46943,
    "c": 0.1509,
    "h": 269
  },
  "luminance": 0.09811
}

Semantic roles & 50–950 ramp

primary

#3951AE

secondary

#C3B580

accent

#BD4EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3951AE

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

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