#4D77BC#4D77BC

#4D77BC is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.1% C 0.117 H 259.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4D77BC
RGB	rgb(77, 119, 188)
HSL	hsl(217, 45%, 52%)
HSV	hsv(217, 59%, 74%)
CMYK	cmyk(59%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.98, 6.58, -40.68)
CIE-LCH	lch(49.98, 41.21, 279.19°)
OKLab	oklab(57.07% -0.0206 -0.1152)
OKLCH	oklch(57.07% 0.117 259.9)
XYZ	xyz(18.7313, 18.4007, 50.1318)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D77BC #BC924D

analogous

#4DAFBC #4D77BC #5B4DBC

triadic

#4D77BC #BC4D77 #77BC4D

tetradic

#4D77BC #BC4DAF #BC924D #4DBC5B

square

#4D77BC #BC4DAF #BC924D #4DBC5B

split-complementary

#4D77BC #BC5B4D #AFBC4D

monochromatic

#273F68 #385B94 #4D77BC #7999CD #A6BBDD

Accessibility & contrast

On white

4.49

#4D77BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4D77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D77BC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D77BC	#FFFFFF	#000000	##000000
##4D77BC	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4d77bc;
/* rgb */ color: rgb(77, 119, 188);
/* oklch */ color: oklch(57.1% 0.117 259.9);

Tailwind

colors: {
  custom: {
    50: '#889dd0',
    500: '#4d77bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d77bc;
$custom-light: #889dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d77bc",
  "rgb": {
    "r": 77,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 217.297,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57066,
    "c": 0.11706,
    "h": 259.9
  },
  "luminance": 0.18402
}

Semantic roles & 50–950 ramp

primary

#4D77BC

secondary

#CBB89A

accent

#A453D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D77BC

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

Preview Lab → · Contrast checker → · Palette generator →