#3D57BD#3D57BD

#3D57BD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.163 H 268.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3D57BD
RGB	rgb(61, 87, 189)
HSL	hsl(228, 51%, 49%)
HSV	hsv(228, 68%, 74%)
CMYK	cmyk(67.7%, 54%, 0%, 25.9%)
CIE-LAB	lab(40.38, 24.24, -56.67)
CIE-LCH	lch(40.38, 61.63, 293.16°)
OKLab	oklab(49.51% -0.0031 -0.1629)
OKLCH	oklch(49.51% 0.163 268.9)
XYZ	xyz(14.5148, 11.4812, 49.5854)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D57BD #BDA33D

analogous

#3D97BD #3D57BD #633DBD

triadic

#3D57BD #BD3D57 #57BD3D

tetradic

#3D57BD #BD3D97 #BDA33D #3DBD63

square

#3D57BD #BD3D97 #BDA33D #3DBD63

split-complementary

#3D57BD #BD633D #97BD3D

monochromatic

#1F2C60 #2E428F #3D57BD #697DCE #97A5DD

Accessibility & contrast

On white

6.37

#3D57BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3D57BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D57BD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D57BD	#FFFFFF	#000000	##FFFFFF
##3D57BD	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)

#0A65C1

Deuteranopia (green-blind)

#005ABB

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3d57bd;
/* rgb */ color: rgb(61, 87, 189);
/* oklch */ color: oklch(49.5% 0.163 268.9);

Tailwind

colors: {
  custom: {
    50: '#8186d2',
    500: '#3d57bd',
    950: '#000000',
  },
}

SCSS

$custom: #3d57bd;
$custom-light: #8186d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d57bd",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 227.813,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4951,
    "c": 0.16295,
    "h": 268.9
  },
  "luminance": 0.11483
}

Semantic roles & 50–950 ramp

primary

#3D57BD

secondary

#C9BD8D

accent

#BE4DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3D57BD

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

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