#3E57BE#3E57BE

#3E57BE is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.164 H 269.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3E57BE
RGB	rgb(62, 87, 190)
HSL	hsl(228, 51%, 49%)
HSV	hsv(228, 67%, 75%)
CMYK	cmyk(67.4%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.50, 24.76, -57.05)
CIE-LCH	lch(40.50, 62.19, 293.46°)
OKLab	oklab(49.64% -0.002 -0.164)
OKLCH	oklch(49.64% 0.164 269.3)
XYZ	xyz(14.6859, 11.5568, 50.1620)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57BE #BEA53E

analogous

#3E97BE #3E57BE #653EBE

triadic

#3E57BE #BE3E57 #57BE3E

tetradic

#3E57BE #BE3E97 #BEA53E #3EBE65

square

#3E57BE #BE3E97 #BEA53E #3EBE65

split-complementary

#3E57BE #BE653E #97BE3E

monochromatic

#202D62 #2F4290 #3E57BE #6B7ECF #99A6DE

Accessibility & contrast

On white

6.34

#3E57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3E57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57BE

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57BE	#FFFFFF	#000000	##FFFFFF
##3E57BE	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)

#0766C2

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3e57be;
/* rgb */ color: rgb(62, 87, 190);
/* oklch */ color: oklch(49.6% 0.164 269.3);

Tailwind

colors: {
  custom: {
    50: '#8286d2',
    500: '#3e57be',
    950: '#000000',
  },
}

SCSS

$custom: #3e57be;
$custom-light: #8286d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57be",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 228.281,
    "s": 50.794,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49639,
    "c": 0.16403,
    "h": 269.3
  },
  "luminance": 0.11558
}

Semantic roles & 50–950 ramp

primary

#3E57BE

secondary

#C9BE8E

accent

#BF4EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3E57BE

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

Preview Lab → · Contrast checker → · Palette generator →