#3954B2#3954B2

#3954B2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.153 H 268.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3954B2
RGB	rgb(57, 84, 178)
HSL	hsl(227, 51%, 46%)
HSV	hsv(227, 68%, 70%)
CMYK	cmyk(68%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(38.59, 21.58, -53.11)
CIE-LCH	lch(38.59, 57.33, 292.11°)
OKLab	oklab(47.86% -0.0051 -0.1526)
OKLCH	oklch(47.86% 0.153 268.1)
XYZ	xyz(12.8908, 10.4236, 43.4435)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954B2 #B29739

analogous

#3990B2 #3954B2 #5B39B2

triadic

#3954B2 #B23954 #54B239

tetradic

#3954B2 #B23990 #B29739 #39B25B

square

#3954B2 #B23990 #B29739 #39B25B

split-complementary

#3954B2 #B25B39 #90B239

monochromatic

#1B2855 #2A3E84 #3954B2 #5D76CB #8B9DDA

Accessibility & contrast

On white

6.81

#3954B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3954B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954B2

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954B2	#FFFFFF	#000000	##FFFFFF
##3954B2	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1761B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3954b2;
/* rgb */ color: rgb(57, 84, 178);
/* oklch */ color: oklch(47.9% 0.153 268.1);

Tailwind

colors: {
  custom: {
    50: '#7d83ca',
    500: '#3954b2',
    950: '#000000',
  },
}

SCSS

$custom: #3954b2;
$custom-light: #7d83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3954b2",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 226.612,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47858,
    "c": 0.15267,
    "h": 268.1
  },
  "luminance": 0.10425
}

Semantic roles & 50–950 ramp

primary

#3954B2

secondary

#C4B682

accent

#BB4DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3954B2

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

Preview Lab → · Contrast checker → · Palette generator →