#4C77BC#4C77BC

#4C77BC is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.0% C 0.117 H 259.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4C77BC
RGB	rgb(76, 119, 188)
HSL	hsl(217, 46%, 52%)
HSV	hsv(217, 60%, 74%)
CMYK	cmyk(59.6%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.93, 6.38, -40.76)
CIE-LCH	lch(49.93, 41.26, 278.89°)
OKLab	oklab(57.01% -0.0215 -0.1155)
OKLCH	oklch(57.01% 0.117 259.5)
XYZ	xyz(18.6512, 18.3594, 50.1280)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C77BC #BC914C

analogous

#4CAFBC #4C77BC #594CBC

triadic

#4C77BC #BC4C77 #77BC4C

tetradic

#4C77BC #BC4CAF #BC914C #4CBC59

square

#4C77BC #BC4CAF #BC914C #4CBC59

split-complementary

#4C77BC #BC594C #AFBC4C

monochromatic

#273F67 #375B94 #4C77BC #7999CD #A5BBDD

Accessibility & contrast

On white

4.49

#4C77BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#4C77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C77BC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C77BC	#FFFFFF	#000000	##000000
##4C77BC	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBF

Deuteranopia (green-blind)

#4B72BB

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c77bc;
/* rgb */ color: rgb(76, 119, 188);
/* oklch */ color: oklch(57.0% 0.117 259.5);

Tailwind

colors: {
  custom: {
    50: '#879dd0',
    500: '#4c77bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c77bc;
$custom-light: #879dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c77bc",
  "rgb": {
    "r": 76,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 216.964,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57014,
    "c": 0.11748,
    "h": 259.5
  },
  "luminance": 0.18361
}

Semantic roles & 50–950 ramp

primary

#4C77BC

secondary

#CAB899

accent

#A353D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C77BC

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

Preview Lab → · Contrast checker → · Palette generator →