#3D77B8#3D77B8

#3D77B8 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 56.1% C 0.118 H 252.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D77B8
RGB	rgb(61, 119, 184)
HSL	hsl(212, 50%, 48%)
HSV	hsv(212, 67%, 72%)
CMYK	cmyk(66.8%, 35.3%, 0%, 27.8%)
CIE-LAB	lab(49.06, 2.21, -39.87)
CIE-LCH	lch(49.06, 39.93, 273.17°)
OKLab	oklab(56.09% -0.0347 -0.1131)
OKLCH	oklch(56.09% 0.118 252.9)
XYZ	xyz(17.1698, 17.6447, 47.8390)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77B8 #B87E3D

analogous

#3DB4B8 #3D77B8 #403DB8

triadic

#3D77B8 #B83D77 #77B83D

tetradic

#3D77B8 #B83DB4 #B87E3D #3DB840

square

#3D77B8 #B83DB4 #B87E3D #3DB840

split-complementary

#3D77B8 #B8403D #B4B83D

monochromatic

#1F3C5C #2E598A #3D77B8 #6696CC #94B6DB

Accessibility & contrast

On white

4.64

#3D77B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3D77B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D77B8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77B8	#FFFFFF	#000000	##FFFFFF
##3D77B8	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBB

Deuteranopia (green-blind)

#496FB7

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d77b8;
/* rgb */ color: rgb(61, 119, 184);
/* oklch */ color: oklch(56.1% 0.118 252.9);

Tailwind

colors: {
  custom: {
    50: '#7f9dcd',
    500: '#3d77b8',
    950: '#000000',
  },
}

SCSS

$custom: #3d77b8;
$custom-light: #7f9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77b8",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 211.707,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5609,
    "c": 0.11833,
    "h": 252.9
  },
  "luminance": 0.17646
}

Semantic roles & 50–950 ramp

primary

#3D77B8

secondary

#C7AA8A

accent

#984EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D77B8

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

Preview Lab → · Contrast checker → · Palette generator →