#4078C0#4078C0

#4078C0 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.127 H 255.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4078C0
RGB	rgb(64, 120, 192)
HSL	hsl(214, 50%, 50%)
HSV	hsv(214, 67%, 75%)
CMYK	cmyk(66.7%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.89, 4.93, -43.16)
CIE-LCH	lch(49.89, 43.44, 276.51°)
OKLab	oklab(56.91% -0.0314 -0.1227)
OKLCH	oklch(56.91% 0.127 255.6)
XYZ	xyz(18.3418, 18.3269, 52.4298)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078C0 #C08840

analogous

#40B8C0 #4078C0 #4840C0

triadic

#4078C0 #C04078 #78C040

tetradic

#4078C0 #C040B8 #C08840 #40C048

square

#4078C0 #C040B8 #C08840 #40C048

split-complementary

#4078C0 #C04840 #B8C040

monochromatic

#213F64 #305B92 #4078C0 #6E99CF #9CB9DE

Accessibility & contrast

On white

4.50

#4078C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4078C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078C0

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078C0	#FFFFFF	#000000	##000000
##4078C0	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC3

Deuteranopia (green-blind)

#4571BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4078c0;
/* rgb */ color: rgb(64, 120, 192);
/* oklch */ color: oklch(56.9% 0.127 255.6);

Tailwind

colors: {
  custom: {
    50: '#829ed3',
    500: '#4078c0',
    950: '#000000',
  },
}

SCSS

$custom: #4078c0;
$custom-light: #829ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#4078c0",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 213.75,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56906,
    "c": 0.12664,
    "h": 255.6
  },
  "luminance": 0.18329
}

Semantic roles & 50–950 ramp

primary

#4078C0

secondary

#CBB191

accent

#9D4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4078C0

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

Preview Lab → · Contrast checker → · Palette generator →