#3958C7#3958C7

#3958C7 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.176 H 267.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3958C7
RGB	rgb(57, 88, 199)
HSL	hsl(227, 56%, 50%)
HSV	hsv(227, 71%, 78%)
CMYK	cmyk(71.4%, 55.8%, 0%, 22%)
CIE-LAB	lab(41.17, 26.64, -61.21)
CIE-LCH	lch(41.17, 66.76, 293.52°)
OKLab	oklab(50.28% -0.007 -0.1763)
OKLCH	oklch(50.28% 0.176 267.7)
XYZ	xyz(15.4823, 11.9712, 55.5165)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958C7 #C7A839

analogous

#399FC7 #3958C7 #6139C7

triadic

#3958C7 #C73958 #58C739

tetradic

#3958C7 #C7399F #C7A839 #39C761

square

#3958C7 #C7399F #C7A839 #39C761

split-complementary

#3958C7 #C76139 #9FC739

monochromatic

#1D2E68 #2B4398 #3958C7 #6980D4 #98A8E2

Accessibility & contrast

On white

6.19

#3958C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3958C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958C7

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958C7	#FFFFFF	#000000	##FFFFFF
##3958C7	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CB

Deuteranopia (green-blind)

#005BC5

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3958c7;
/* rgb */ color: rgb(57, 88, 199);
/* oklch */ color: oklch(50.3% 0.176 267.7);

Tailwind

colors: {
  custom: {
    50: '#8286d9',
    500: '#3958c7',
    950: '#000000',
  },
}

SCSS

$custom: #3958c7;
$custom-light: #8286d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3958c7",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 199
  },
  "hsl": {
    "h": 226.901,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5028,
    "c": 0.17648,
    "h": 267.7
  },
  "luminance": 0.11973
}

Semantic roles & 50–950 ramp

primary

#3958C7

secondary

#CEC08E

accent

#BE49DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3958C7

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

Preview Lab → · Contrast checker → · Palette generator →