#3976CE#3976CE

#3976CE is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.0% C 0.150 H 257.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3976CE
RGB	rgb(57, 118, 206)
HSL	hsl(215, 60%, 52%)
HSV	hsv(215, 72%, 81%)
CMYK	cmyk(72.3%, 42.7%, 0%, 19.2%)
CIE-LAB	lab(49.83, 10.12, -51.27)
CIE-LCH	lch(49.83, 52.26, 281.17°)
OKLab	oklab(57.04% -0.0315 -0.1466)
OKLCH	oklch(57.04% 0.15 257.9)
XYZ	xyz(19.3023, 18.2808, 60.8918)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976CE #CE9139

analogous

#39C1CE #3976CE #4739CE

triadic

#3976CE #CE3976 #76CE39

tetradic

#3976CE #CE39C1 #CE9139 #39CE47

square

#3976CE #CE39C1 #CE9139 #39CE47

split-complementary

#3976CE #CE4739 #C1CE39

monochromatic

#1C3F71 #285AA2 #3976CE #6A98DA #9BBAE6

Accessibility & contrast

On white

4.51

#3976CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3976CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3976CE

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976CE	#FFFFFF	#000000	##000000
##3976CE	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7ED1

Deuteranopia (green-blind)

#3170CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3976ce;
/* rgb */ color: rgb(57, 118, 206);
/* oklch */ color: oklch(57.0% 0.150 257.9);

Tailwind

colors: {
  custom: {
    50: '#829cdd',
    500: '#3976ce',
    950: '#000000',
  },
}

SCSS

$custom: #3976ce;
$custom-light: #829cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3976ce",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 206
  },
  "hsl": {
    "h": 215.436,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57043,
    "c": 0.14996,
    "h": 257.9
  },
  "luminance": 0.18283
}

Semantic roles & 50–950 ramp

primary

#3976CE

secondary

#D2B791

accent

#A244E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3976CE

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

Preview Lab → · Contrast checker → · Palette generator →