#3857DA#3857DA

#3857DA is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 51.6% C 0.203 H 268.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3857DA
RGB	rgb(56, 87, 218)
HSL	hsl(229, 69%, 54%)
HSV	hsv(229, 74%, 85%)
CMYK	cmyk(74.3%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(42.33, 34.03, -70.24)
CIE-LCH	lch(42.33, 78.05, 295.85°)
OKLab	oklab(51.6% -0.0067 -0.2029)
OKLCH	oklch(51.6% 0.203 268.1)
XYZ	xyz(17.6896, 12.7172, 67.8384)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857DA #DABB38

analogous

#38A8DA #3857DA #6A38DA

triadic

#3857DA #DA3857 #57DA38

tetradic

#3857DA #DA38A8 #DABB38 #38DA6A

square

#3857DA #DA38A8 #DABB38 #38DA6A

split-complementary

#3857DA #DA6A38 #A8DA38

monochromatic

#182C80 #213DB3 #3857DA #6C83E4 #9FAEED

Accessibility & contrast

On white

5.93

#3857DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3857DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857DA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857DA	#FFFFFF	#000000	##FFFFFF
##3857DA	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDE

Deuteranopia (green-blind)

#005DD7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3857da;
/* rgb */ color: rgb(56, 87, 218);
/* oklch */ color: oklch(51.6% 0.203 268.1);

Tailwind

colors: {
  custom: {
    50: '#8586e6',
    500: '#3857da',
    950: '#000000',
  },
}

SCSS

$custom: #3857da;
$custom-light: #8586e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3857da",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 228.519,
    "s": 68.644,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51595,
    "c": 0.20303,
    "h": 268.1
  },
  "luminance": 0.12719
}

Semantic roles & 50–950 ramp

primary

#3857DA

secondary

#DACC94

accent

#CA3CEB

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3857DA

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

Preview Lab → · Contrast checker → · Palette generator →