#3D77CC#3D77CC

#3D77CC is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.145 H 258.0°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3D77CC
RGB	rgb(61, 119, 204)
HSL	hsl(216, 58%, 52%)
HSV	hsv(216, 70%, 80%)
CMYK	cmyk(70.1%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.15, 9.35, -49.62)
CIE-LCH	lch(50.15, 50.49, 280.67°)
OKLab	oklab(57.29% -0.03 -0.1417)
OKLCH	oklch(57.29% 0.145 258)
XYZ	xyz(19.4164, 18.5433, 59.6710)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77CC #CC923D

analogous

#3DBFCC #3D77CC #4B3DCC

triadic

#3D77CC #CC3D77 #77CC3D

tetradic

#3D77CC #CC3DBF #CC923D #3DCC4B

square

#3D77CC #CC3DBF #CC923D #3DCC4B

split-complementary

#3D77CC #CC4B3D #BFCC3D

monochromatic

#1E3F71 #2A5BA1 #3D77CC #6D99D9 #9EBBE5

Accessibility & contrast

On white

4.46

#3D77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3D77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77CC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77CC	#FFFFFF	#000000	##000000
##3D77CC	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECF

Deuteranopia (green-blind)

#3771CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d77cc;
/* rgb */ color: rgb(61, 119, 204);
/* oklch */ color: oklch(57.3% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#839ddc',
    500: '#3d77cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d77cc;
$custom-light: #839ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77cc",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 215.664,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57289,
    "c": 0.14483,
    "h": 258
  },
  "luminance": 0.18545
}

Semantic roles & 50–950 ramp

primary

#3D77CC

secondary

#D2B893

accent

#A346E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D77CC

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

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