#3E77CC#3E77CC

#3E77CC is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.3% C 0.144 H 258.3°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3E77CC
RGB	rgb(62, 119, 204)
HSL	hsl(216, 58%, 52%)
HSV	hsv(216, 70%, 80%)
CMYK	cmyk(69.6%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.19, 9.50, -49.56)
CIE-LCH	lch(50.19, 50.46, 280.85°)
OKLab	oklab(57.33% -0.0292 -0.1415)
OKLCH	oklch(57.33% 0.144 258.3)
XYZ	xyz(19.4786, 18.5754, 59.6739)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E77CC #CC933E

analogous

#3EBECC #3E77CC #4C3ECC

triadic

#3E77CC #CC3E77 #77CC3E

tetradic

#3E77CC #CC3EBE #CC933E #3ECC4C

square

#3E77CC #CC3EBE #CC933E #3ECC4C

split-complementary

#3E77CC #CC4C3E #BECC3E

monochromatic

#1E4072 #2B5BA2 #3E77CC #6E99D9 #9FBBE6

Accessibility & contrast

On white

4.45

#3E77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3E77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E77CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E77CC	#FFFFFF	#000000	##000000
##3E77CC	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FCF

Deuteranopia (green-blind)

#3771CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3e77cc;
/* rgb */ color: rgb(62, 119, 204);
/* oklch */ color: oklch(57.3% 0.144 258.3);

Tailwind

colors: {
  custom: {
    50: '#839ddc',
    500: '#3e77cc',
    950: '#000000',
  },
}

SCSS

$custom: #3e77cc;
$custom-light: #839ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e77cc",
  "rgb": {
    "r": 62,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 215.915,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57329,
    "c": 0.14448,
    "h": 258.3
  },
  "luminance": 0.18577
}

Semantic roles & 50–950 ramp

primary

#3E77CC

secondary

#D2B994

accent

#A346E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E77CC

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

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