#3954CA#3954CA

#3954CA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.185 H 268.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3954CA
RGB	rgb(57, 84, 202)
HSL	hsl(229, 58%, 51%)
HSV	hsv(229, 72%, 79%)
CMYK	cmyk(71.8%, 58.4%, 0%, 20.8%)
CIE-LAB	lab(40.37, 30.30, -64.25)
CIE-LCH	lch(40.37, 71.04, 295.25°)
OKLab	oklab(49.75% -0.0039 -0.1853)
OKLCH	oklch(49.75% 0.185 268.8)
XYZ	xyz(15.5147, 11.4732, 57.2626)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954CA #CAAF39

analogous

#399CCA #3954CA #6639CA

triadic

#3954CA #CA3954 #54CA39

tetradic

#3954CA #CA399C #CAAF39 #39CA66

square

#3954CA #CA399C #CAAF39 #39CA66

split-complementary

#3954CA #CA6639 #9CCA39

monochromatic

#1D2C6C #2A3F9C #3954CA #697ED7 #9AA7E4

Accessibility & contrast

On white

6.37

#3954CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3954CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954CA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954CA	#FFFFFF	#000000	##FFFFFF
##3954CA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3954ca;
/* rgb */ color: rgb(57, 84, 202);
/* oklch */ color: oklch(49.8% 0.185 268.8);

Tailwind

colors: {
  custom: {
    50: '#8283db',
    500: '#3954ca',
    950: '#000000',
  },
}

SCSS

$custom: #3954ca;
$custom-light: #8283db;
$custom-dark: #000000;

JSON

{
  "hex": "#3954ca",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 202
  },
  "hsl": {
    "h": 228.828,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4975,
    "c": 0.18539,
    "h": 268.8
  },
  "luminance": 0.11475
}

Semantic roles & 50–950 ramp

primary

#3954CA

secondary

#D0C48F

accent

#C447E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3954CA

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

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