#3958BB#3958BB

#3958BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.160 H 267.2°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3958BB
RGB	rgb(57, 88, 187)
HSL	hsl(226, 53%, 48%)
HSV	hsv(226, 70%, 73%)
CMYK	cmyk(69.5%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(40.30, 22.26, -55.63)
CIE-LCH	lch(40.30, 59.92, 291.81°)
OKLab	oklab(49.35% -0.0078 -0.1599)
OKLCH	oklch(49.35% 0.16 267.2)
XYZ	xyz(14.1436, 11.4357, 48.4660)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958BB #BB9C39

analogous

#3999BB #3958BB #5B39BB

triadic

#3958BB #BB3958 #58BB39

tetradic

#3958BB #BB3999 #BB9C39 #39BB5B

square

#3958BB #BB3999 #BB9C39 #39BB5B

split-complementary

#3958BB #BB5B39 #99BB39

monochromatic

#1C2C5D #2B428C #3958BB #627CCF #91A3DD

Accessibility & contrast

On white

6.39

#3958BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3958BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958BB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958BB	#FFFFFF	#000000	##FFFFFF
##3958BB	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1465BE

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3958bb;
/* rgb */ color: rgb(57, 88, 187);
/* oklch */ color: oklch(49.4% 0.160 267.2);

Tailwind

colors: {
  custom: {
    50: '#7f86d0',
    500: '#3958bb',
    950: '#000000',
  },
}

SCSS

$custom: #3958bb;
$custom-light: #7f86d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3958bb",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 225.692,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49354,
    "c": 0.16012,
    "h": 267.2
  },
  "luminance": 0.11437
}

Semantic roles & 50–950 ramp

primary

#3958BB

secondary

#C8B987

accent

#BA4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3958BB

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

Preview Lab → · Contrast checker → · Palette generator →