#3D57C8#3D57C8

#3D57C8 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.178 H 269.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3D57C8
RGB	rgb(61, 87, 200)
HSL	hsl(229, 56%, 51%)
HSV	hsv(229, 70%, 78%)
CMYK	cmyk(69.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.18, 28.19, -61.76)
CIE-LCH	lch(41.18, 67.89, 294.54°)
OKLab	oklab(50.36% -0.0025 -0.1779)
OKLCH	oklch(50.36% 0.178 269.2)
XYZ	xyz(15.7544, 11.9771, 56.1139)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D57C8 #C8AE3D

analogous

#3D9CC8 #3D57C8 #683DC8

triadic

#3D57C8 #C83D57 #57C83D

tetradic

#3D57C8 #C83D9C #C8AE3D #3DC868

square

#3D57C8 #C83D9C #C8AE3D #3DC868

split-complementary

#3D57C8 #C8683D #9CC83D

monochromatic

#1F2D6C #2C419C #3D57C8 #6D80D6 #9CAAE3

Accessibility & contrast

On white

6.18

#3D57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3D57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D57C8

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D57C8	#FFFFFF	#000000	##FFFFFF
##3D57C8	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3d57c8;
/* rgb */ color: rgb(61, 87, 200);
/* oklch */ color: oklch(50.4% 0.178 269.2);

Tailwind

colors: {
  custom: {
    50: '#8386da',
    500: '#3d57c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d57c8;
$custom-light: #8386da;
$custom-dark: #000000;

JSON

{
  "hex": "#3d57c8",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 228.777,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50363,
    "c": 0.17793,
    "h": 269.2
  },
  "luminance": 0.11979
}

Semantic roles & 50–950 ramp

primary

#3D57C8

secondary

#CFC492

accent

#C349DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D57C8

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

Preview Lab → · Contrast checker → · Palette generator →