#3D77BB#3D77BB

#3D77BB is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.122 H 253.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3D77BB
RGB	rgb(61, 119, 187)
HSL	hsl(212, 51%, 49%)
HSV	hsv(212, 67%, 73%)
CMYK	cmyk(67.4%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.22, 3.27, -41.35)
CIE-LCH	lch(49.22, 41.48, 274.52°)
OKLab	oklab(56.26% -0.0339 -0.1175)
OKLCH	oklch(56.26% 0.122 253.9)
XYZ	xyz(17.4877, 17.7718, 49.5128)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77BB #BB813D

analogous

#3DB6BB #3D77BB #423DBB

triadic

#3D77BB #BB3D77 #77BB3D

tetradic

#3D77BB #BB3DB6 #BB813D #3DBB42

square

#3D77BB #BB3DB6 #BB813D #3DBB42

split-complementary

#3D77BB #BB423D #B6BB3D

monochromatic

#1F3C5F #2E5A8D #3D77BB #6897CE #96B6DD

Accessibility & contrast

On white

4.61

#3D77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3D77BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D77BB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77BB	#FFFFFF	#000000	##FFFFFF
##3D77BB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBE

Deuteranopia (green-blind)

#4770BA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d77bb;
/* rgb */ color: rgb(61, 119, 187);
/* oklch */ color: oklch(56.3% 0.122 253.9);

Tailwind

colors: {
  custom: {
    50: '#809dd0',
    500: '#3d77bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d77bb;
$custom-light: #809dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77bb",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 212.381,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56263,
    "c": 0.12226,
    "h": 253.9
  },
  "luminance": 0.17774
}

Semantic roles & 50–950 ramp

primary

#3D77BB

secondary

#C8AC8C

accent

#994EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D77BB

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

Preview Lab → · Contrast checker → · Palette generator →