#4077B9#4077B9

#4077B9 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.118 H 254.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4077B9
RGB	rgb(64, 119, 185)
HSL	hsl(213, 49%, 49%)
HSV	hsv(213, 65%, 73%)
CMYK	cmyk(65.4%, 35.7%, 0%, 27.5%)
CIE-LAB	lab(49.23, 3.08, -40.17)
CIE-LCH	lch(49.23, 40.28, 274.38°)
OKLab	oklab(56.27% -0.0322 -0.1139)
OKLCH	oklch(56.27% 0.118 254.2)
XYZ	xyz(17.4650, 17.7847, 48.4019)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077B9 #B98240

analogous

#40B4B9 #4077B9 #4640B9

triadic

#4077B9 #B94077 #77B940

tetradic

#4077B9 #B940B4 #B98240 #40B946

square

#4077B9 #B940B4 #B98240 #40B946

split-complementary

#4077B9 #B94640 #B4B940

monochromatic

#213D5E #305A8C #4077B9 #6B97CC #98B7DB

Accessibility & contrast

On white

4.61

#4077B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4077B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4077B9

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077B9	#FFFFFF	#000000	##FFFFFF
##4077B9	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBC

Deuteranopia (green-blind)

#4970B8

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4077b9;
/* rgb */ color: rgb(64, 119, 185);
/* oklch */ color: oklch(56.3% 0.118 254.2);

Tailwind

colors: {
  custom: {
    50: '#819dce',
    500: '#4077b9',
    950: '#000000',
  },
}

SCSS

$custom: #4077b9;
$custom-light: #819dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4077b9",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 185
  },
  "hsl": {
    "h": 212.727,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56274,
    "c": 0.1184,
    "h": 254.2
  },
  "luminance": 0.17786
}

Semantic roles & 50–950 ramp

primary

#4077B9

secondary

#C7AD8E

accent

#9A50D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4077B9

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

Preview Lab → · Contrast checker → · Palette generator →