#4E77BB#4E77BB

#4E77BB is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.1% C 0.115 H 260.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4E77BB
RGB	rgb(78, 119, 187)
HSL	hsl(217, 44%, 52%)
HSV	hsv(217, 58%, 73%)
CMYK	cmyk(58.3%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.98, 6.45, -40.10)
CIE-LCH	lch(49.98, 40.62, 279.14°)
OKLab	oklab(57.06% -0.0199 -0.1135)
OKLCH	oklch(57.06% 0.115 260)
XYZ	xyz(18.7052, 18.3996, 49.5698)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77BB #BB924E

analogous

#4EAEBB #4E77BB #5C4EBB

triadic

#4E77BB #BB4E77 #77BB4E

tetradic

#4E77BB #BB4EAE #BB924E #4EBB5C

square

#4E77BB #BB4EAE #BB924E #4EBB5C

split-complementary

#4E77BB #BB5C4E #AEBB4E

monochromatic

#283F67 #395B93 #4E77BB #7A99CC #A6BBDD

Accessibility & contrast

On white

4.49

#4E77BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4E77BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77BB	#FFFFFF	#000000	##000000
##4E77BB	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)

#5B7CBE

Deuteranopia (green-blind)

#4D72BA

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4e77bb;
/* rgb */ color: rgb(78, 119, 187);
/* oklch */ color: oklch(57.1% 0.115 260.0);

Tailwind

colors: {
  custom: {
    50: '#889dd0',
    500: '#4e77bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e77bb;
$custom-light: #889dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77bb",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 217.431,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57062,
    "c": 0.11528,
    "h": 260
  },
  "luminance": 0.18401
}

Semantic roles & 50–950 ramp

primary

#4E77BB

secondary

#CAB89B

accent

#A454D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E77BB

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

Preview Lab → · Contrast checker → · Palette generator →