#3958BC#3958BC

#3958BC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.162 H 267.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3958BC
RGB	rgb(57, 88, 188)
HSL	hsl(226, 53%, 48%)
HSV	hsv(226, 70%, 74%)
CMYK	cmyk(69.7%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(40.38, 22.63, -56.10)
CIE-LCH	lch(40.38, 60.49, 291.97°)
OKLab	oklab(49.43% -0.0077 -0.1613)
OKLCH	oklch(49.43% 0.162 267.2)
XYZ	xyz(14.2510, 11.4787, 49.0318)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958BC #BC9D39

analogous

#3999BC #3958BC #5C39BC

triadic

#3958BC #BC3958 #58BC39

tetradic

#3958BC #BC3999 #BC9D39 #39BC5C

square

#3958BC #BC3999 #BC9D39 #39BC5C

split-complementary

#3958BC #BC5C39 #99BC39

monochromatic

#1D2C5E #2B428D #3958BC #637CD0 #92A4DE

Accessibility & contrast

On white

6.37

#3958BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3958BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958BC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958BC	#FFFFFF	#000000	##FFFFFF
##3958BC	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1265C0

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3958bc;
/* rgb */ color: rgb(57, 88, 188);
/* oklch */ color: oklch(49.4% 0.162 267.2);

Tailwind

colors: {
  custom: {
    50: '#7f86d1',
    500: '#3958bc',
    950: '#000000',
  },
}

SCSS

$custom: #3958bc;
$custom-light: #7f86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3958bc",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 225.802,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4943,
    "c": 0.1615,
    "h": 267.2
  },
  "luminance": 0.1148
}

Semantic roles & 50–950 ramp

primary

#3958BC

secondary

#C9B988

accent

#BA4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3958BC

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

Preview Lab → · Contrast checker → · Palette generator →