#3A7BBF#3A7BBF

#3A7BBF is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.125 H 251.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BBF
RGB	rgb(58, 123, 191)
HSL	hsl(211, 53%, 49%)
HSV	hsv(211, 70%, 75%)
CMYK	cmyk(69.6%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(50.48, 1.78, -41.66)
CIE-LCH	lch(50.48, 41.70, 272.45°)
OKLab	oklab(57.29% -0.039 -0.1183)
OKLCH	oklch(57.29% 0.125 251.8)
XYZ	xyz(18.2284, 18.8251, 51.9531)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BBF #BF7E3A

analogous

#3ABEBF #3A7BBF #3C3ABF

triadic

#3A7BBF #BF3A7B #7BBF3A

tetradic

#3A7BBF #BF3ABE #BF7E3A #3ABF3C

square

#3A7BBF #BF3ABE #BF7E3A #3ABF3C

split-complementary

#3A7BBF #BF3C3A #BEBF3A

monochromatic

#1D3F61 #2C5D90 #3A7BBF #669AD0 #95B9DF

Accessibility & contrast

On white

4.41

#3A7BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3A7BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BBF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BBF	#FFFFFF	#000000	##000000
##3A7BBF	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC2

Deuteranopia (green-blind)

#4972BE

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7bbf;
/* rgb */ color: rgb(58, 123, 191);
/* oklch */ color: oklch(57.3% 0.125 251.8);

Tailwind

colors: {
  custom: {
    50: '#7fa0d2',
    500: '#3a7bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bbf;
$custom-light: #7fa0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bbf",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 210.677,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57288,
    "c": 0.1246,
    "h": 251.8
  },
  "luminance": 0.18827
}

Semantic roles & 50–950 ramp

primary

#3A7BBF

secondary

#CAAB8B

accent

#964BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A7BBF

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

Preview Lab → · Contrast checker → · Palette generator →