#3D57BF#3D57BF

#3D57BF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.166 H 269.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3D57BF
RGB	rgb(61, 87, 191)
HSL	hsl(228, 52%, 49%)
HSV	hsv(228, 68%, 75%)
CMYK	cmyk(68.1%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.52, 24.96, -57.60)
CIE-LCH	lch(40.52, 62.78, 293.43°)
OKLab	oklab(49.66% -0.0029 -0.1657)
OKLCH	oklch(49.66% 0.166 269)
XYZ	xyz(14.7334, 11.5687, 50.7366)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D57BF #BFA53D

analogous

#3D98BF #3D57BF #643DBF

triadic

#3D57BF #BF3D57 #57BF3D

tetradic

#3D57BF #BF3D98 #BFA53D #3DBF64

square

#3D57BF #BF3D98 #BFA53D #3DBF64

split-complementary

#3D57BF #BF643D #98BF3D

monochromatic

#1F2D62 #2E4291 #3D57BF #6A7ECF #98A6DE

Accessibility & contrast

On white

6.34

#3D57BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3D57BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D57BF

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D57BF	#FFFFFF	#000000	##FFFFFF
##3D57BF	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0266C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3d57bf;
/* rgb */ color: rgb(61, 87, 191);
/* oklch */ color: oklch(49.7% 0.166 269.0);

Tailwind

colors: {
  custom: {
    50: '#8286d3',
    500: '#3d57bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d57bf;
$custom-light: #8286d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d57bf",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 228,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49662,
    "c": 0.1657,
    "h": 269
  },
  "luminance": 0.1157
}

Semantic roles & 50–950 ramp

primary

#3D57BF

secondary

#CABE8E

accent

#BF4DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3D57BF

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

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