#3C77CF#3C77CF

#3C77CF is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.4% C 0.149 H 258.4°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3C77CF
RGB	rgb(60, 119, 207)
HSL	hsl(216, 60%, 52%)
HSV	hsv(216, 71%, 81%)
CMYK	cmyk(71%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.28, 10.29, -51.11)
CIE-LCH	lch(50.28, 52.14, 281.38°)
OKLab	oklab(57.44% -0.0301 -0.1461)
OKLCH	oklch(57.44% 0.149 258.4)
XYZ	xyz(19.7187, 18.6572, 61.5814)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C77CF #CF943C

analogous

#3CC1CF #3C77CF #4A3CCF

triadic

#3C77CF #CF3C77 #77CF3C

tetradic

#3C77CF #CF3CC1 #CF943C #3CCF4A

square

#3C77CF #CF3CC1 #CF943C #3CCF4A

split-complementary

#3C77CF #CF4A3C #C1CF3C

monochromatic

#1D4074 #295BA5 #3C77CF #6D99DB #9EBCE7

Accessibility & contrast

On white

4.44

#3C77CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3C77CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C77CF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C77CF	#FFFFFF	#000000	##000000
##3C77CF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7FD2

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3c77cf;
/* rgb */ color: rgb(60, 119, 207);
/* oklch */ color: oklch(57.4% 0.149 258.4);

Tailwind

colors: {
  custom: {
    50: '#839dde',
    500: '#3c77cf',
    950: '#000000',
  },
}

SCSS

$custom: #3c77cf;
$custom-light: #839dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3c77cf",
  "rgb": {
    "r": 60,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 215.918,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57439,
    "c": 0.14916,
    "h": 258.4
  },
  "luminance": 0.18659
}

Semantic roles & 50–950 ramp

primary

#3C77CF

secondary

#D3BA93

accent

#A444E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C77CF

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

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