#3958B9#3958B9

#3958B9 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.157 H 267.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3958B9
RGB	rgb(57, 88, 185)
HSL	hsl(225, 53%, 47%)
HSV	hsv(225, 69%, 73%)
CMYK	cmyk(69.2%, 52.4%, 0%, 27.5%)
CIE-LAB	lab(40.16, 21.53, -54.68)
CIE-LCH	lch(40.16, 58.77, 291.49°)
OKLab	oklab(49.2% -0.008 -0.1572)
OKLCH	oklch(49.2% 0.157 267.1)
XYZ	xyz(13.9310, 11.3507, 47.3463)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958B9 #B99A39

analogous

#3998B9 #3958B9 #5A39B9

triadic

#3958B9 #B93958 #58B939

tetradic

#3958B9 #B93998 #B99A39 #39B95A

square

#3958B9 #B93998 #B99A39 #39B95A

split-complementary

#3958B9 #B95A39 #98B939

monochromatic

#1C2B5B #2B428A #3958B9 #617BCE #90A2DD

Accessibility & contrast

On white

6.42

#3958B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3958B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958B9

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958B9	#FFFFFF	#000000	##FFFFFF
##3958B9	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1965BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3958b9;
/* rgb */ color: rgb(57, 88, 185);
/* oklch */ color: oklch(49.2% 0.157 267.1);

Tailwind

colors: {
  custom: {
    50: '#7f86cf',
    500: '#3958b9',
    950: '#000000',
  },
}

SCSS

$custom: #3958b9;
$custom-light: #7f86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3958b9",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 185
  },
  "hsl": {
    "h": 225.469,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49204,
    "c": 0.15735,
    "h": 267.1
  },
  "luminance": 0.11352
}

Semantic roles & 50–950 ramp

primary

#3958B9

secondary

#C8B886

accent

#B94BDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3958B9

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

Preview Lab → · Contrast checker → · Palette generator →