#3958AC#3958AC

#3958AC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.139 H 266.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3958AC
RGB	rgb(57, 88, 172)
HSL	hsl(224, 50%, 45%)
HSV	hsv(224, 67%, 67%)
CMYK	cmyk(66.9%, 48.8%, 0%, 32.5%)
CIE-LAB	lab(39.29, 16.78, -48.45)
CIE-LCH	lch(39.29, 51.27, 289.10°)
OKLab	oklab(48.26% -0.0095 -0.1388)
OKLCH	oklch(48.26% 0.139 266.1)
XYZ	xyz(12.6209, 10.8267, 40.4464)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958AC #AC8D39

analogous

#3992AC #3958AC #5439AC

triadic

#3958AC #AC3958 #58AC39

tetradic

#3958AC #AC3992 #AC8D39 #39AC54

square

#3958AC #AC3992 #AC8D39 #39AC54

split-complementary

#3958AC #AC5439 #92AC39

monochromatic

#1B2950 #2A407E #3958AC #5A78C8 #889DD8

Accessibility & contrast

On white

6.63

#3958AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3958AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958AC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958AC	#FFFFFF	#000000	##FFFFFF
##3958AC	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B62AF

Deuteranopia (green-blind)

#0F58AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3958ac;
/* rgb */ color: rgb(57, 88, 172);
/* oklch */ color: oklch(48.3% 0.139 266.1);

Tailwind

colors: {
  custom: {
    50: '#7c86c5',
    500: '#3958ac',
    950: '#000000',
  },
}

SCSS

$custom: #3958ac;
$custom-light: #7c86c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3958ac",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 172
  },
  "hsl": {
    "h": 223.826,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48256,
    "c": 0.13912,
    "h": 266.1
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#3958AC

secondary

#C2B07F

accent

#B44EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3958AC

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

Preview Lab → · Contrast checker → · Palette generator →