#3958C8#3958C8

#3958C8 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.178 H 267.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#3958C8
RGB	rgb(57, 88, 200)
HSL	hsl(227, 57%, 50%)
HSV	hsv(227, 72%, 78%)
CMYK	cmyk(71.5%, 56%, 0%, 21.6%)
CIE-LAB	lab(41.24, 27.01, -61.67)
CIE-LCH	lch(41.24, 67.32, 293.65°)
OKLab	oklab(50.36% -0.007 -0.1777)
OKLCH	oklch(50.36% 0.178 267.8)
XYZ	xyz(15.5988, 12.0178, 56.1300)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958C8 #C8A939

analogous

#399FC8 #3958C8 #6139C8

triadic

#3958C8 #C83958 #58C839

tetradic

#3958C8 #C8399F #C8A939 #39C861

square

#3958C8 #C8399F #C8A939 #39C861

split-complementary

#3958C8 #C86139 #9FC839

monochromatic

#1D2E69 #2B4399 #3958C8 #6980D5 #99A9E3

Accessibility & contrast

On white

6.17

#3958C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3958C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958C8

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958C8	#FFFFFF	#000000	##FFFFFF
##3958C8	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3958c8;
/* rgb */ color: rgb(57, 88, 200);
/* oklch */ color: oklch(50.4% 0.178 267.8);

Tailwind

colors: {
  custom: {
    50: '#8286d9',
    500: '#3958c8',
    950: '#000000',
  },
}

SCSS

$custom: #3958c8;
$custom-light: #8286d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3958c8",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 200
  },
  "hsl": {
    "h": 226.993,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50359,
    "c": 0.17783,
    "h": 267.8
  },
  "luminance": 0.12019
}

Semantic roles & 50–950 ramp

primary

#3958C8

secondary

#CEC08F

accent

#BF48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3958C8

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

Preview Lab → · Contrast checker → · Palette generator →