#3D77CD#3D77CD

#3D77CD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.4% C 0.146 H 258.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3D77CD
RGB	rgb(61, 119, 205)
HSL	hsl(216, 59%, 52%)
HSV	hsv(216, 70%, 80%)
CMYK	cmyk(70.2%, 42%, 0%, 19.6%)
CIE-LAB	lab(50.21, 9.71, -50.10)
CIE-LCH	lch(50.21, 51.03, 280.97°)
OKLab	oklab(57.35% -0.0298 -0.1431)
OKLCH	oklch(57.35% 0.146 258.2)
XYZ	xyz(19.5367, 18.5915, 60.3047)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77CD #CD933D

analogous

#3DBFCD #3D77CD #4B3DCD

triadic

#3D77CD #CD3D77 #77CD3D

tetradic

#3D77CD #CD3DBF #CD933D #3DCD4B

square

#3D77CD #CD3DBF #CD933D #3DCD4B

split-complementary

#3D77CD #CD4B3D #BFCD3D

monochromatic

#1D4072 #2A5BA3 #3D77CD #6E99DA #9EBBE6

Accessibility & contrast

On white

4.45

#3D77CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3D77CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77CD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77CD	#FFFFFF	#000000	##000000
##3D77CD	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7FD0

Deuteranopia (green-blind)

#3671CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d77cd;
/* rgb */ color: rgb(61, 119, 205);
/* oklch */ color: oklch(57.4% 0.146 258.2);

Tailwind

colors: {
  custom: {
    50: '#839ddd',
    500: '#3d77cd',
    950: '#000000',
  },
}

SCSS

$custom: #3d77cd;
$custom-light: #839ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77cd",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 215.833,
    "s": 59.016,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57352,
    "c": 0.14616,
    "h": 258.2
  },
  "luminance": 0.18594
}

Semantic roles & 50–950 ramp

primary

#3D77CD

secondary

#D2B993

accent

#A346E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D77CD

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

Preview Lab → · Contrast checker → · Palette generator →