#3E78BC#3E78BC

#3E78BC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.122 H 253.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3E78BC
RGB	rgb(62, 120, 188)
HSL	hsl(212, 50%, 49%)
HSV	hsv(212, 67%, 74%)
CMYK	cmyk(67%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(49.60, 3.18, -41.32)
CIE-LCH	lch(49.60, 41.44, 274.40°)
OKLab	oklab(56.59% -0.0339 -0.1173)
OKLCH	oklch(56.59% 0.122 253.9)
XYZ	xyz(17.7769, 18.0861, 50.1213)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78BC #BC823E

analogous

#3EB7BC #3E78BC #433EBC

triadic

#3E78BC #BC3E78 #78BC3E

tetradic

#3E78BC #BC3EB7 #BC823E #3EBC43

square

#3E78BC #BC3EB7 #BC823E #3EBC43

split-complementary

#3E78BC #BC433E #B7BC3E

monochromatic

#203D60 #2F5B8E #3E78BC #6A98CE #98B7DD

Accessibility & contrast

On white

4.55

#3E78BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3E78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78BC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78BC	#FFFFFF	#000000	##000000
##3E78BC	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBF

Deuteranopia (green-blind)

#4871BB

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e78bc;
/* rgb */ color: rgb(62, 120, 188);
/* oklch */ color: oklch(56.6% 0.122 253.9);

Tailwind

colors: {
  custom: {
    50: '#809ed0',
    500: '#3e78bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e78bc;
$custom-light: #809ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78bc",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 212.381,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56589,
    "c": 0.12215,
    "h": 253.9
  },
  "luminance": 0.18088
}

Semantic roles & 50–950 ramp

primary

#3E78BC

secondary

#C9AD8D

accent

#994EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E78BC

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

Preview Lab → · Contrast checker → · Palette generator →