#4078BD#4078BD

#4078BD is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.123 H 254.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4078BD
RGB	rgb(64, 120, 189)
HSL	hsl(213, 49%, 50%)
HSV	hsv(213, 66%, 74%)
CMYK	cmyk(66.1%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(49.73, 3.87, -41.68)
CIE-LCH	lch(49.73, 41.86, 275.31°)
OKLab	oklab(56.73% -0.0322 -0.1184)
OKLCH	oklch(56.73% 0.123 254.8)
XYZ	xyz(18.0128, 18.1953, 50.6970)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078BD #BD8540

analogous

#40B7BD #4078BD #4740BD

triadic

#4078BD #BD4078 #78BD40

tetradic

#4078BD #BD40B7 #BD8540 #40BD47

square

#4078BD #BD40B7 #BD8540 #40BD47

split-complementary

#4078BD #BD4740 #B7BD40

monochromatic

#213E62 #315B8F #4078BD #6D98CD #9AB8DD

Accessibility & contrast

On white

4.53

#4078BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4078BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078BD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078BD	#FFFFFF	#000000	##000000
##4078BD	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC0

Deuteranopia (green-blind)

#4871BC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4078bd;
/* rgb */ color: rgb(64, 120, 189);
/* oklch */ color: oklch(56.7% 0.123 254.8);

Tailwind

colors: {
  custom: {
    50: '#829ed1',
    500: '#4078bd',
    950: '#000000',
  },
}

SCSS

$custom: #4078bd;
$custom-light: #829ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#4078bd",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 213.12,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56731,
    "c": 0.12266,
    "h": 254.8
  },
  "luminance": 0.18197
}

Semantic roles & 50–950 ramp

primary

#4078BD

secondary

#C9AF90

accent

#9B4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4078BD

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

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