#3E78CD#3E78CD

#3E78CD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.6% C 0.145 H 258.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3E78CD
RGB	rgb(62, 120, 205)
HSL	hsl(216, 59%, 52%)
HSV	hsv(216, 70%, 80%)
CMYK	cmyk(69.8%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(50.53, 9.24, -49.58)
CIE-LCH	lch(50.53, 50.44, 280.56°)
OKLab	oklab(57.61% -0.03 -0.1415)
OKLCH	oklch(57.61% 0.145 258)
XYZ	xyz(19.7185, 18.8628, 60.3475)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78CD #CD933E

analogous

#3EC0CD #3E78CD #4B3ECD

triadic

#3E78CD #CD3E78 #78CD3E

tetradic

#3E78CD #CD3EC0 #CD933E #3ECD4B

square

#3E78CD #CD3EC0 #CD933E #3ECD4B

split-complementary

#3E78CD #CD4B3E #C0CD3E

monochromatic

#1E4073 #2A5BA3 #3E78CD #6F9ADA #9FBCE6

Accessibility & contrast

On white

4.40

#3E78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3E78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78CD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78CD	#FFFFFF	#000000	##000000
##3E78CD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FD0

Deuteranopia (green-blind)

#3872CB

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e78cd;
/* rgb */ color: rgb(62, 120, 205);
/* oklch */ color: oklch(57.6% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#839edd',
    500: '#3e78cd',
    950: '#000000',
  },
}

SCSS

$custom: #3e78cd;
$custom-light: #839edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78cd",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 215.664,
    "s": 58.848,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57611,
    "c": 0.14469,
    "h": 258
  },
  "luminance": 0.18865
}

Semantic roles & 50–950 ramp

primary

#3E78CD

secondary

#D3B994

accent

#A346E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78CD

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

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