#3D57BE#3D57BE

#3D57BE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.164 H 269.0°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3D57BE
RGB	rgb(61, 87, 190)
HSL	hsl(228, 51%, 49%)
HSV	hsv(228, 68%, 75%)
CMYK	cmyk(67.9%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.45, 24.60, -57.13)
CIE-LCH	lch(40.45, 62.21, 293.30°)
OKLab	oklab(49.59% -0.003 -0.1643)
OKLCH	oklch(49.59% 0.164 269)
XYZ	xyz(14.6237, 11.5248, 50.1590)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D57BE #BEA43D

analogous

#3D98BE #3D57BE #643DBE

triadic

#3D57BE #BE3D57 #57BE3D

tetradic

#3D57BE #BE3D98 #BEA43D #3DBE64

square

#3D57BE #BE3D98 #BEA43D #3DBE64

split-complementary

#3D57BE #BE643D #98BE3D

monochromatic

#1F2D61 #2E4290 #3D57BE #697ECF #98A6DE

Accessibility & contrast

On white

6.35

#3D57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3D57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D57BE

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D57BE	#FFFFFF	#000000	##FFFFFF
##3D57BE	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0665C2

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3d57be;
/* rgb */ color: rgb(61, 87, 190);
/* oklch */ color: oklch(49.6% 0.164 269.0);

Tailwind

colors: {
  custom: {
    50: '#8186d2',
    500: '#3d57be',
    950: '#000000',
  },
}

SCSS

$custom: #3d57be;
$custom-light: #8186d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d57be",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 227.907,
    "s": 51.394,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49586,
    "c": 0.16432,
    "h": 269
  },
  "luminance": 0.11526
}

Semantic roles & 50–950 ramp

primary

#3D57BE

secondary

#C9BD8D

accent

#BE4DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3D57BE

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

Preview Lab → · Contrast checker → · Palette generator →