#3E78B2#3E78B2

#3E78B2 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.109 H 250.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3E78B2
RGB	rgb(62, 120, 178)
HSL	hsl(210, 48%, 47%)
HSV	hsv(210, 65%, 70%)
CMYK	cmyk(65.2%, 32.6%, 0%, 30.2%)
CIE-LAB	lab(49.09, -0.33, -36.35)
CIE-LCH	lch(49.09, 36.35, 269.48°)
OKLab	oklab(56.03% -0.0367 -0.1028)
OKLCH	oklch(56.03% 0.109 250.4)
XYZ	xyz(16.7360, 17.6698, 44.6395)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78B2 #B2783E

analogous

#3EB2B2 #3E78B2 #3E3EB2

triadic

#3E78B2 #B23E78 #78B23E

tetradic

#3E78B2 #B23EB2 #B2783E #3EB23E

square

#3E78B2 #B23EB2 #B2783E #3EB23E

split-complementary

#3E78B2 #B23E3E #B2B23E

monochromatic

#1E3B57 #2E5985 #3E78B2 #6497C9 #92B5D9

Accessibility & contrast

On white

4.63

#3E78B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3E78B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3E78B2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78B2	#FFFFFF	#000000	##FFFFFF
##3E78B2	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB4

Deuteranopia (green-blind)

#4F70B1

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3e78b2;
/* rgb */ color: rgb(62, 120, 178);
/* oklch */ color: oklch(56.0% 0.109 250.4);

Tailwind

colors: {
  custom: {
    50: '#7f9ec9',
    500: '#3e78b2',
    950: '#000000',
  },
}

SCSS

$custom: #3e78b2;
$custom-light: #7f9ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78b2",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 178
  },
  "hsl": {
    "h": 210,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56026,
    "c": 0.10916,
    "h": 250.4
  },
  "luminance": 0.17671
}

Semantic roles & 50–950 ramp

primary

#3E78B2

secondary

#C4A688

accent

#9450D8

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3E78B2

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

Preview Lab → · Contrast checker → · Palette generator →