#3955DB#3955DB

#3955DB is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.4% C 0.206 H 268.7°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3955DB
RGB	rgb(57, 85, 219)
HSL	hsl(230, 69%, 54%)
HSV	hsv(230, 74%, 86%)
CMYK	cmyk(74%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(41.97, 35.76, -71.41)
CIE-LCH	lch(41.97, 79.86, 296.60°)
OKLab	oklab(51.36% -0.0045 -0.2063)
OKLCH	oklch(51.36% 0.206 268.7)
XYZ	xyz(17.7176, 12.4794, 68.4791)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955DB #DBBF39

analogous

#39A6DB #3955DB #6E39DB

triadic

#3955DB #DB3955 #55DB39

tetradic

#3955DB #DB39A6 #DBBF39 #39DB6E

square

#3955DB #DB39A6 #DBBF39 #39DB6E

split-complementary

#3955DB #DB6E39 #A6DB39

monochromatic

#182A82 #213BB6 #3955DB #6D81E4 #A1AEEE

Accessibility & contrast

On white

6.01

#3955DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3955DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955DB

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955DB	#FFFFFF	#000000	##FFFFFF
##3955DB	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005CD8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3955db;
/* rgb */ color: rgb(57, 85, 219);
/* oklch */ color: oklch(51.4% 0.206 268.7);

Tailwind

colors: {
  custom: {
    50: '#8684e7',
    500: '#3955db',
    950: '#000000',
  },
}

SCSS

$custom: #3955db;
$custom-light: #8684e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3955db",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 229.63,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51361,
    "c": 0.20639,
    "h": 268.7
  },
  "luminance": 0.12481
}

Semantic roles & 50–950 ramp

primary

#3955DB

secondary

#DACE95

accent

#CE3CEC

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3955DB

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

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