#3958B5#3958B5

#3958B5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.152 H 266.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3958B5
RGB	rgb(57, 88, 181)
HSL	hsl(225, 52%, 47%)
HSV	hsv(225, 69%, 71%)
CMYK	cmyk(68.5%, 51.4%, 0%, 29%)
CIE-LAB	lab(39.89, 20.07, -52.78)
CIE-LCH	lch(39.89, 56.47, 290.82°)
OKLab	oklab(48.91% -0.0084 -0.1516)
OKLCH	oklch(48.91% 0.152 266.8)
XYZ	xyz(13.5147, 11.1842, 45.1536)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958B5 #B59639

analogous

#3996B5 #3958B5 #5839B5

triadic

#3958B5 #B53958 #58B539

tetradic

#3958B5 #B53996 #B59639 #39B558

square

#3958B5 #B53996 #B59639 #39B558

split-complementary

#3958B5 #B55839 #96B539

monochromatic

#1C2B58 #2A4186 #3958B5 #5F7ACD #8DA1DB

Accessibility & contrast

On white

6.49

#3958B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3958B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958B5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958B5	#FFFFFF	#000000	##FFFFFF
##3958B5	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2064B8

Deuteranopia (green-blind)

#0059B3

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3958b5;
/* rgb */ color: rgb(57, 88, 181);
/* oklch */ color: oklch(48.9% 0.152 266.8);

Tailwind

colors: {
  custom: {
    50: '#7e86cc',
    500: '#3958b5',
    950: '#000000',
  },
}

SCSS

$custom: #3958b5;
$custom-light: #7e86cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3958b5",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 181
  },
  "hsl": {
    "h": 225,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48907,
    "c": 0.15179,
    "h": 266.8
  },
  "luminance": 0.11186
}

Semantic roles & 50–950 ramp

primary

#3958B5

secondary

#C6B584

accent

#B84CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3958B5

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

Preview Lab → · Contrast checker → · Palette generator →