#2477B0#2477B0

#2477B0 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.8% C 0.118 H 243.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#2477B0
RGB	rgb(36, 119, 176)
HSL	hsl(204, 66%, 42%)
HSV	hsv(204, 80%, 69%)
CMYK	cmyk(79.5%, 32.4%, 0%, 31%)
CIE-LAB	lab(47.88, -4.21, -37.15)
CIE-LCH	lch(47.88, 37.39, 263.54°)
OKLab	oklab(54.81% -0.0521 -0.1055)
OKLCH	oklch(54.81% 0.118 243.7)
XYZ	xyz(15.1578, 16.7015, 43.4907)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2477B0 #B05D24

analogous

#24B0A3 #2477B0 #2431B0

triadic

#2477B0 #B02477 #77B024

tetradic

#2477B0 #A324B0 #B05D24 #31B024

square

#2477B0 #A324B0 #B05D24 #31B024

split-complementary

#2477B0 #B02431 #B0A324

monochromatic

#0F324A #1A557D #2477B0 #3A97D7 #6DB2E1

Accessibility & contrast

On white

4.84

#2477B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#2477B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2477B0

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2477B0	#FFFFFF	#000000	##FFFFFF
##2477B0	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C79B2

Deuteranopia (green-blind)

#496CAF

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2477b0;
/* rgb */ color: rgb(36, 119, 176);
/* oklch */ color: oklch(54.8% 0.118 243.7);

Tailwind

colors: {
  custom: {
    50: '#759ec8',
    500: '#2477b0',
    950: '#000000',
  },
}

SCSS

$custom: #2477b0;
$custom-light: #759ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2477b0",
  "rgb": {
    "r": 36,
    "g": 119,
    "b": 176
  },
  "hsl": {
    "h": 204.429,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5481,
    "c": 0.11764,
    "h": 243.7
  },
  "luminance": 0.16703
}

Semantic roles & 50–950 ramp

primary

#2477B0

secondary

#C88F68

accent

#843FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2477B0

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

Preview Lab → · Contrast checker → · Palette generator →