#3D77BC#3D77BC

#3D77BC is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.124 H 254.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3D77BC
RGB	rgb(61, 119, 188)
HSL	hsl(213, 51%, 49%)
HSV	hsv(213, 68%, 74%)
CMYK	cmyk(67.6%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.27, 3.62, -41.85)
CIE-LCH	lch(49.27, 42.00, 274.95°)
OKLab	oklab(56.32% -0.0337 -0.1189)
OKLCH	oklch(56.32% 0.124 254.2)
XYZ	xyz(17.5951, 17.8148, 50.0785)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77BC #BC823D

analogous

#3DB7BC #3D77BC #423DBC

triadic

#3D77BC #BC3D77 #77BC3D

tetradic

#3D77BC #BC3DB7 #BC823D #3DBC42

square

#3D77BC #BC3DB7 #BC823D #3DBC42

split-complementary

#3D77BC #BC423D #B7BC3D

monochromatic

#1F3D60 #2E5A8E #3D77BC #6897CE #96B7DD

Accessibility & contrast

On white

4.60

#3D77BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3D77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D77BC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77BC	#FFFFFF	#000000	##FFFFFF
##3D77BC	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CBF

Deuteranopia (green-blind)

#4670BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d77bc;
/* rgb */ color: rgb(61, 119, 188);
/* oklch */ color: oklch(56.3% 0.124 254.2);

Tailwind

colors: {
  custom: {
    50: '#809dd0',
    500: '#3d77bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d77bc;
$custom-light: #809dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77bc",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 212.598,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56321,
    "c": 0.12358,
    "h": 254.2
  },
  "luminance": 0.17817
}

Semantic roles & 50–950 ramp

primary

#3D77BC

secondary

#C9AD8C

accent

#9A4DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D77BC

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

Preview Lab → · Contrast checker → · Palette generator →