#4077B8#4077B8

#4077B8 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.117 H 253.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4077B8
RGB	rgb(64, 119, 184)
HSL	hsl(213, 48%, 49%)
HSV	hsv(213, 65%, 72%)
CMYK	cmyk(65.2%, 35.3%, 0%, 27.8%)
CIE-LAB	lab(49.18, 2.73, -39.67)
CIE-LCH	lch(49.18, 39.76, 273.93°)
OKLab	oklab(56.22% -0.0324 -0.1125)
OKLCH	oklch(56.22% 0.117 253.9)
XYZ	xyz(17.3598, 17.7426, 47.8479)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077B8 #B88140

analogous

#40B3B8 #4077B8 #4540B8

triadic

#4077B8 #B84077 #77B840

tetradic

#4077B8 #B840B3 #B88140 #40B845

square

#4077B8 #B840B3 #B88140 #40B845

split-complementary

#4077B8 #B84540 #B3B840

monochromatic

#203C5D #305A8B #4077B8 #6A97CB #97B6DB

Accessibility & contrast

On white

4.62

#4077B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4077B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4077B8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077B8	#FFFFFF	#000000	##FFFFFF
##4077B8	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBB

Deuteranopia (green-blind)

#4A70B7

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4077b8;
/* rgb */ color: rgb(64, 119, 184);
/* oklch */ color: oklch(56.2% 0.117 253.9);

Tailwind

colors: {
  custom: {
    50: '#819dcd',
    500: '#4077b8',
    950: '#000000',
  },
}

SCSS

$custom: #4077b8;
$custom-light: #819dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4077b8",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 212.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56217,
    "c": 0.11708,
    "h": 253.9
  },
  "luminance": 0.17744
}

Semantic roles & 50–950 ramp

primary

#4077B8

secondary

#C7AC8D

accent

#9A50D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4077B8

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

Preview Lab → · Contrast checker → · Palette generator →