#3D77D0#3D77D0

#3D77D0 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.5% C 0.150 H 258.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3D77D0
RGB	rgb(61, 119, 208)
HSL	hsl(216, 61%, 53%)
HSV	hsv(216, 71%, 82%)
CMYK	cmyk(70.7%, 42.8%, 0%, 18.4%)
CIE-LAB	lab(50.38, 10.79, -51.53)
CIE-LCH	lch(50.38, 52.65, 281.83°)
OKLab	oklab(57.54% -0.0292 -0.1473)
OKLCH	oklch(57.54% 0.15 258.8)
XYZ	xyz(19.9023, 18.7377, 62.2301)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77D0 #D0963D

analogous

#3DC0D0 #3D77D0 #4D3DD0

triadic

#3D77D0 #D03D77 #77D03D

tetradic

#3D77D0 #D03DC0 #D0963D #3DD04D

square

#3D77D0 #D03DC0 #D0963D #3DD04D

split-complementary

#3D77D0 #D04D3D #C0D03D

monochromatic

#1D4076 #295BA7 #3D77D0 #6E9ADC #A0BCE8

Accessibility & contrast

On white

4.42

#3D77D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3D77D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77D0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77D0	#FFFFFF	#000000	##000000
##3D77D0	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7FD3

Deuteranopia (green-blind)

#3272CE

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3d77d0;
/* rgb */ color: rgb(61, 119, 208);
/* oklch */ color: oklch(57.5% 0.150 258.8);

Tailwind

colors: {
  custom: {
    50: '#849ddf',
    500: '#3d77d0',
    950: '#000000',
  },
}

SCSS

$custom: #3d77d0;
$custom-light: #849ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77d0",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 208
  },
  "hsl": {
    "h": 216.327,
    "s": 60.996,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57542,
    "c": 0.15016,
    "h": 258.8
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary

#3D77D0

secondary

#D4BB95

accent

#A544E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D77D0

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

Preview Lab → · Contrast checker → · Palette generator →