#3958B8#3958B8

#3958B8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.156 H 267.0°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3958B8
RGB	rgb(57, 88, 184)
HSL	hsl(225, 53%, 47%)
HSV	hsv(225, 69%, 72%)
CMYK	cmyk(69%, 52.2%, 0%, 27.8%)
CIE-LAB	lab(40.10, 21.17, -54.21)
CIE-LCH	lch(40.10, 58.20, 291.33°)
OKLab	oklab(49.13% -0.0081 -0.1558)
OKLCH	oklch(49.13% 0.156 267)
XYZ	xyz(13.8258, 11.3086, 46.7923)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958B8 #B89939

analogous

#3998B8 #3958B8 #5939B8

triadic

#3958B8 #B83958 #58B839

tetradic

#3958B8 #B83998 #B89939 #39B859

square

#3958B8 #B83998 #B89939 #39B859

split-complementary

#3958B8 #B85939 #98B839

monochromatic

#1C2B5B #2B4289 #3958B8 #607BCE #8FA2DC

Accessibility & contrast

On white

6.44

#3958B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3958B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958B8

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958B8	#FFFFFF	#000000	##FFFFFF
##3958B8	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B65BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3958b8;
/* rgb */ color: rgb(57, 88, 184);
/* oklch */ color: oklch(49.1% 0.156 267.0);

Tailwind

colors: {
  custom: {
    50: '#7e86ce',
    500: '#3958b8',
    950: '#000000',
  },
}

SCSS

$custom: #3958b8;
$custom-light: #7e86ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3958b8",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 184
  },
  "hsl": {
    "h": 225.354,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49129,
    "c": 0.15597,
    "h": 267
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#3958B8

secondary

#C7B786

accent

#B94CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3958B8

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

Preview Lab → · Contrast checker → · Palette generator →