#3A77CB#3A77CB

#3A77CB is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.1% C 0.145 H 257.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A77CB
RGB	rgb(58, 119, 203)
HSL	hsl(215, 58%, 51%)
HSV	hsv(215, 71%, 80%)
CMYK	cmyk(71.4%, 41.4%, 0%, 20.4%)
CIE-LAB	lab(49.98, 8.55, -49.32)
CIE-LCH	lch(49.98, 50.06, 279.84°)
OKLab	oklab(57.11% -0.0323 -0.1409)
OKLCH	oklch(57.11% 0.145 257.1)
XYZ	xyz(19.1173, 18.4029, 59.0329)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77CB #CB8E3A

analogous

#3ABFCB #3A77CB #453ACB

triadic

#3A77CB #CB3A77 #77CB3A

tetradic

#3A77CB #CB3ABF #CB8E3A #3ACB45

square

#3A77CB #CB3ABF #CB8E3A #3ACB45

split-complementary

#3A77CB #CB453A #BFCB3A

monochromatic

#1D3F6E #2A5B9E #3A77CB #6A98D8 #9BBAE5

Accessibility & contrast

On white

4.49

#3A77CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3A77CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77CB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77CB	#FFFFFF	#000000	##000000
##3A77CB	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECE

Deuteranopia (green-blind)

#3771C9

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a77cb;
/* rgb */ color: rgb(58, 119, 203);
/* oklch */ color: oklch(57.1% 0.145 257.1);

Tailwind

colors: {
  custom: {
    50: '#829ddb',
    500: '#3a77cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a77cb;
$custom-light: #829ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77cb",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 203
  },
  "hsl": {
    "h": 214.759,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5711,
    "c": 0.14452,
    "h": 257.1
  },
  "luminance": 0.18405
}

Semantic roles & 50–950 ramp

primary

#3A77CB

secondary

#D0B590

accent

#A046E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77CB

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

Preview Lab → · Contrast checker → · Palette generator →