#3954DB#3954DB

#3954DB is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.2% C 0.208 H 268.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3954DB
RGB	rgb(57, 84, 219)
HSL	hsl(230, 69%, 54%)
HSV	hsv(230, 74%, 86%)
CMYK	cmyk(74%, 61.6%, 0%, 14.1%)
CIE-LAB	lab(41.73, 36.39, -71.81)
CIE-LCH	lch(41.73, 80.50, 296.87°)
OKLab	oklab(51.18% -0.0039 -0.2075)
OKLCH	oklch(51.18% 0.208 268.9)
XYZ	xyz(17.6394, 12.3231, 68.4530)
Luminance	0.1232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954DB #DBC039

analogous

#39A5DB #3954DB #6F39DB

triadic

#3954DB #DB3954 #54DB39

tetradic

#3954DB #DB39A5 #DBC039 #39DB6F

square

#3954DB #DB39A5 #DBC039 #39DB6F

split-complementary

#3954DB #DB6F39 #A5DB39

monochromatic

#182982 #213AB6 #3954DB #6D81E4 #A1ADEE

Accessibility & contrast

On white

6.06

#3954DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3954DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954DB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954DB	#FFFFFF	#000000	##FFFFFF
##3954DB	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005BD8

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3954db;
/* rgb */ color: rgb(57, 84, 219);
/* oklch */ color: oklch(51.2% 0.208 268.9);

Tailwind

colors: {
  custom: {
    50: '#8684e7',
    500: '#3954db',
    950: '#000000',
  },
}

SCSS

$custom: #3954db;
$custom-light: #8684e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3954db",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 219
  },
  "hsl": {
    "h": 230,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51181,
    "c": 0.20756,
    "h": 268.9
  },
  "luminance": 0.12325
}

Semantic roles & 50–950 ramp

primary

#3954DB

secondary

#DACF95

accent

#CF3CEC

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3954DB

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

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