#4078CE#4078CE

#4078CE is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.8% C 0.145 H 258.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4078CE
RGB	rgb(64, 120, 206)
HSL	hsl(216, 59%, 53%)
HSV	hsv(216, 69%, 81%)
CMYK	cmyk(68.9%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(50.66, 9.90, -49.93)
CIE-LCH	lch(50.66, 50.91, 281.22°)
OKLab	oklab(57.76% -0.0283 -0.1425)
OKLCH	oklch(57.76% 0.145 258.8)
XYZ	xyz(19.9674, 18.9771, 60.9912)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078CE #CE9640

analogous

#40BFCE #4078CE #4F40CE

triadic

#4078CE #CE4078 #78CE40

tetradic

#4078CE #CE40BF #CE9640 #40CE4F

square

#4078CE #CE40BF #CE9640 #40CE4F

split-complementary

#4078CE #CE4F40 #BFCE40

monochromatic

#1E4175 #2B5BA6 #4078CE #719ADA #A1BDE7

Accessibility & contrast

On white

4.38

#4078CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4078CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078CE

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078CE	#FFFFFF	#000000	##000000
##4078CE	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F80D1

Deuteranopia (green-blind)

#3873CC

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4078ce;
/* rgb */ color: rgb(64, 120, 206);
/* oklch */ color: oklch(57.8% 0.145 258.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4078ce",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 216.338,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57755,
    "c": 0.14533,
    "h": 258.8
  },
  "luminance": 0.18979
}

Semantic roles & 50–950 ramp

primary

#4078CE

secondary

#D4BB96

accent

#A445E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4078CE

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

Preview Lab → · Contrast checker → · Palette generator →