#3A78BF#3A78BF

#3A78BF is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.128 H 253.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3A78BF
RGB	rgb(58, 120, 191)
HSL	hsl(212, 53%, 49%)
HSV	hsv(212, 70%, 75%)
CMYK	cmyk(69.6%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.61, 3.60, -43.04)
CIE-LCH	lch(49.61, 43.19, 274.79°)
OKLab	oklab(56.6% -0.036 -0.1224)
OKLCH	oklch(56.6% 0.128 253.6)
XYZ	xyz(17.8619, 18.0922, 51.8309)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78BF #BF813A

analogous

#3ABBBF #3A78BF #3F3ABF

triadic

#3A78BF #BF3A78 #78BF3A

tetradic

#3A78BF #BF3ABB #BF813A #3ABF3F

square

#3A78BF #BF3ABB #BF813A #3ABF3F

split-complementary

#3A78BF #BF3F3A #BBBF3A

monochromatic

#1D3D61 #2C5B90 #3A78BF #6697D0 #95B7DF

Accessibility & contrast

On white

4.55

#3A78BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3A78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78BF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78BF	#FFFFFF	#000000	##000000
##3A78BF	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)

#587DC2

Deuteranopia (green-blind)

#4470BE

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a78bf;
/* rgb */ color: rgb(58, 120, 191);
/* oklch */ color: oklch(56.6% 0.128 253.6);

Tailwind

colors: {
  custom: {
    50: '#7f9ed2',
    500: '#3a78bf',
    950: '#000000',
  },
}

SCSS

$custom: #3a78bf;
$custom-light: #7f9ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78bf",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 212.03,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56604,
    "c": 0.12763,
    "h": 253.6
  },
  "luminance": 0.18094
}

Semantic roles & 50–950 ramp

primary

#3A78BF

secondary

#CAAD8B

accent

#994BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A78BF

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

Preview Lab → · Contrast checker → · Palette generator →