#3E78BF#3E78BF

#3E78BF is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.126 H 254.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3E78BF
RGB	rgb(62, 120, 191)
HSL	hsl(213, 51%, 50%)
HSV	hsv(213, 68%, 75%)
CMYK	cmyk(67.5%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.76, 4.24, -42.80)
CIE-LCH	lch(49.76, 43.01, 275.66°)
OKLab	oklab(56.76% -0.0332 -0.1216)
OKLCH	oklch(56.76% 0.126 254.7)
XYZ	xyz(18.1036, 18.2168, 51.8422)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78BF #BF853E

analogous

#3EB9BF #3E78BF #443EBF

triadic

#3E78BF #BF3E78 #78BF3E

tetradic

#3E78BF #BF3EB9 #BF853E #3EBF44

square

#3E78BF #BF3EB9 #BF853E #3EBF44

split-complementary

#3E78BF #BF443E #B9BF3E

monochromatic

#203E63 #2F5B91 #3E78BF #6B98CF #99B8DE

Accessibility & contrast

On white

4.52

#3E78BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3E78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78BF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78BF	#FFFFFF	#000000	##000000
##3E78BF	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC2

Deuteranopia (green-blind)

#4671BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e78bf;
/* rgb */ color: rgb(62, 120, 191);
/* oklch */ color: oklch(56.8% 0.126 254.7);

Tailwind

colors: {
  custom: {
    50: '#819ed2',
    500: '#3e78bf',
    950: '#000000',
  },
}

SCSS

$custom: #3e78bf;
$custom-light: #819ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78bf",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 213.023,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56764,
    "c": 0.12609,
    "h": 254.7
  },
  "luminance": 0.18219
}

Semantic roles & 50–950 ramp

primary

#3E78BF

secondary

#CAAF8F

accent

#9B4DDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E78BF

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

Preview Lab → · Contrast checker → · Palette generator →