#3A7DB8#3A7DB8

#3A7DB8 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.114 H 247.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A7DB8
RGB	rgb(58, 125, 184)
HSL	hsl(208, 52%, 47%)
HSV	hsv(208, 68%, 72%)
CMYK	cmyk(68.5%, 32.1%, 0%, 27.8%)
CIE-LAB	lab(50.72, -1.90, -37.27)
CIE-LCH	lch(50.72, 37.31, 267.08°)
OKLab	oklab(57.36% -0.0429 -0.1055)
OKLCH	oklch(57.36% 0.114 247.8)
XYZ	xyz(17.7270, 19.0256, 48.0762)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7DB8 #B8753A

analogous

#3AB8B4 #3A7DB8 #3A3EB8

triadic

#3A7DB8 #B83A7D #7DB83A

tetradic

#3A7DB8 #B43AB8 #B8753A #3EB83A

square

#3A7DB8 #B43AB8 #B8753A #3EB83A

split-complementary

#3A7DB8 #B83A3E #B8B43A

monochromatic

#1D3E5B #2B5D89 #3A7DB8 #629BCD #90B9DC

Accessibility & contrast

On white

4.37

#3A7DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3A7DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7DB8

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7DB8	#FFFFFF	#000000	##000000
##3A7DB8	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FBB

Deuteranopia (green-blind)

#5173B7

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3a7db8;
/* rgb */ color: rgb(58, 125, 184);
/* oklch */ color: oklch(57.4% 0.114 247.8);

Tailwind

colors: {
  custom: {
    50: '#7ea2cd',
    500: '#3a7db8',
    950: '#000000',
  },
}

SCSS

$custom: #3a7db8;
$custom-light: #7ea2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7db8",
  "rgb": {
    "r": 58,
    "g": 125,
    "b": 184
  },
  "hsl": {
    "h": 208.095,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57357,
    "c": 0.1139,
    "h": 247.8
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary

#3A7DB8

secondary

#C7A587

accent

#8F4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3A7DB8

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

Preview Lab → · Contrast checker → · Palette generator →