#3A77CC#3A77CC

#3A77CC is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.146 H 257.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A77CC
RGB	rgb(58, 119, 204)
HSL	hsl(215, 59%, 51%)
HSV	hsv(215, 72%, 80%)
CMYK	cmyk(71.6%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.04, 8.92, -49.80)
CIE-LCH	lch(50.04, 50.59, 280.15°)
OKLab	oklab(57.17% -0.0321 -0.1423)
OKLCH	oklch(57.17% 0.146 257.3)
XYZ	xyz(19.2369, 18.4507, 59.6626)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77CC #CC8F3A

analogous

#3AC0CC #3A77CC #463ACC

triadic

#3A77CC #CC3A77 #77CC3A

tetradic

#3A77CC #CC3AC0 #CC8F3A #3ACC46

square

#3A77CC #CC3AC0 #CC8F3A #3ACC46

split-complementary

#3A77CC #CC463A #C0CC3A

monochromatic

#1D3F6F #295BA0 #3A77CC #6B99D9 #9BBAE5

Accessibility & contrast

On white

4.48

#3A77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3A77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77CC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77CC	#FFFFFF	#000000	##000000
##3A77CC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECF

Deuteranopia (green-blind)

#3671CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a77cc;
/* rgb */ color: rgb(58, 119, 204);
/* oklch */ color: oklch(57.2% 0.146 257.3);

Tailwind

colors: {
  custom: {
    50: '#829ddc',
    500: '#3a77cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a77cc;
$custom-light: #829ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77cc",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 214.932,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57173,
    "c": 0.14585,
    "h": 257.3
  },
  "luminance": 0.18453
}

Semantic roles & 50–950 ramp

primary

#3A77CC

secondary

#D1B691

accent

#A146E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77CC

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

Preview Lab → · Contrast checker → · Palette generator →