#3951AF#3951AF

#3951AF is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.0% C 0.152 H 269.0°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3951AF
RGB	rgb(57, 81, 175)
HSL	hsl(228, 51%, 45%)
HSV	hsv(228, 67%, 69%)
CMYK	cmyk(67.4%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(37.57, 22.45, -52.99)
CIE-LCH	lch(37.57, 57.55, 292.96°)
OKLab	oklab(47.02% -0.0026 -0.1523)
OKLCH	oklch(47.02% 0.152 269)
XYZ	xyz(12.3650, 9.8487, 41.7985)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3951AF #AF9739

analogous

#398CAF #3951AF #5C39AF

triadic

#3951AF #AF3951 #51AF39

tetradic

#3951AF #AF398C #AF9739 #39AF5C

square

#3951AF #AF398C #AF9739 #39AF5C

split-complementary

#3951AF #AF5C39 #8CAF39

monochromatic

#1B2653 #2A3C81 #3951AF #5B72CA #8A9AD9

Accessibility & contrast

On white

7.07

#3951AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3951AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3951AF

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3951AF	#FFFFFF	#000000	##FFFFFF
##3951AF	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#105EB2

Deuteranopia (green-blind)

#0053AD

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3951af;
/* rgb */ color: rgb(57, 81, 175);
/* oklch */ color: oklch(47.0% 0.152 269.0);

Tailwind

colors: {
  custom: {
    50: '#7d81c8',
    500: '#3951af',
    950: '#000000',
  },
}

SCSS

$custom: #3951af;
$custom-light: #7d81c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3951af",
  "rgb": {
    "r": 57,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 227.797,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47019,
    "c": 0.1523,
    "h": 269
  },
  "luminance": 0.0985
}

Semantic roles & 50–950 ramp

primary

#3951AF

secondary

#C3B681

accent

#BE4DDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3951AF

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

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