#4078CD#4078CD

#4078CD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.7% C 0.144 H 258.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4078CD
RGB	rgb(64, 120, 205)
HSL	hsl(216, 59%, 53%)
HSV	hsv(216, 69%, 80%)
CMYK	cmyk(68.8%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(50.60, 9.55, -49.46)
CIE-LCH	lch(50.60, 50.37, 280.93°)
OKLab	oklab(57.69% -0.0285 -0.1411)
OKLCH	oklch(57.69% 0.144 258.6)
XYZ	xyz(19.8463, 18.9287, 60.3534)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078CD #CD9540

analogous

#40BFCD #4078CD #4E40CD

triadic

#4078CD #CD4078 #78CD40

tetradic

#4078CD #CD40BF #CD9540 #40CD4E

square

#4078CD #CD40BF #CD9540 #40CD4E

split-complementary

#4078CD #CD4E40 #BFCD40

monochromatic

#1E4074 #2B5BA5 #4078CD #719ADA #A1BDE6

Accessibility & contrast

On white

4.39

#4078CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4078CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078CD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078CD	#FFFFFF	#000000	##000000
##4078CD	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5080D0

Deuteranopia (green-blind)

#3972CB

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4078cd;
/* rgb */ color: rgb(64, 120, 205);
/* oklch */ color: oklch(57.7% 0.144 258.6);

Tailwind

colors: {
  custom: {
    50: '#849edd',
    500: '#4078cd',
    950: '#000000',
  },
}

SCSS

$custom: #4078cd;
$custom-light: #849edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4078cd",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 216.17,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57692,
    "c": 0.144,
    "h": 258.6
  },
  "luminance": 0.18931
}

Semantic roles & 50–950 ramp

primary

#4078CD

secondary

#D3BB96

accent

#A446E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4078CD

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

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