#3D77B3#3D77B3

#3D77B3 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.112 H 251.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3D77B3
RGB	rgb(61, 119, 179)
HSL	hsl(211, 49%, 47%)
HSV	hsv(211, 66%, 70%)
CMYK	cmyk(65.9%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(48.81, 0.45, -37.38)
CIE-LCH	lch(48.81, 37.38, 270.69°)
OKLab	oklab(55.81% -0.0361 -0.1058)
OKLCH	oklch(55.81% 0.112 251.2)
XYZ	xyz(16.6550, 17.4388, 45.1274)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77B3 #B3793D

analogous

#3DB2B3 #3D77B3 #3E3DB3

triadic

#3D77B3 #B33D77 #77B33D

tetradic

#3D77B3 #B33DB2 #B3793D #3DB33E

square

#3D77B3 #B33DB2 #B3793D #3DB33E

split-complementary

#3D77B3 #B33E3D #B2B33D

monochromatic

#1E3A58 #2D5985 #3D77B3 #6396CA #91B5D9

Accessibility & contrast

On white

4.68

#3D77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3D77B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D77B3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77B3	#FFFFFF	#000000	##FFFFFF
##3D77B3	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB6

Deuteranopia (green-blind)

#4C6FB2

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d77b3;
/* rgb */ color: rgb(61, 119, 179);
/* oklch */ color: oklch(55.8% 0.112 251.2);

Tailwind

colors: {
  custom: {
    50: '#7f9dca',
    500: '#3d77b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d77b3;
$custom-light: #7f9dca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77b3",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 210.508,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55808,
    "c": 0.11183,
    "h": 251.2
  },
  "luminance": 0.1744
}

Semantic roles & 50–950 ramp

primary

#3D77B3

secondary

#C5A687

accent

#954FD9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D77B3

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

Preview Lab → · Contrast checker → · Palette generator →