#3B7DB3#3B7DB3

#3B7DB3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.107 H 245.9°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B7DB3
RGB	rgb(59, 125, 179)
HSL	hsl(207, 50%, 47%)
HSV	hsv(207, 67%, 70%)
CMYK	cmyk(67%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(50.51, -3.48, -34.71)
CIE-LCH	lch(50.51, 34.88, 264.27°)
OKLab	oklab(57.13% -0.0438 -0.098)
OKLCH	oklch(57.13% 0.107 245.9)
XYZ	xyz(17.2709, 18.8499, 45.3673)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7DB3 #B3713B

analogous

#3BB3AD #3B7DB3 #3B41B3

triadic

#3B7DB3 #B33B7D #7DB33B

tetradic

#3B7DB3 #AD3BB3 #B3713B #41B33B

square

#3B7DB3 #AD3BB3 #B3713B #41B33B

split-complementary

#3B7DB3 #B33B41 #B3AD3B

monochromatic

#1D3D57 #2C5D85 #3B7DB3 #609BCB #8EB8DA

Accessibility & contrast

On white

4.40

#3B7DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3B7DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7DB3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7DB3	#FFFFFF	#000000	##000000
##3B7DB3	1.00	4.40	4.77	4.77
#FFFFFF	4.40	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)

#657FB5

Deuteranopia (green-blind)

#5573B2

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b7db3;
/* rgb */ color: rgb(59, 125, 179);
/* oklch */ color: oklch(57.1% 0.107 245.9);

Tailwind

colors: {
  custom: {
    50: '#7ea2ca',
    500: '#3b7db3',
    950: '#000000',
  },
}

SCSS

$custom: #3b7db3;
$custom-light: #7ea2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7db3",
  "rgb": {
    "r": 59,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 207,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57126,
    "c": 0.10736,
    "h": 245.9
  },
  "luminance": 0.18852
}

Semantic roles & 50–950 ramp

primary

#3B7DB3

secondary

#C5A285

accent

#8D4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3B7DB3

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

Preview Lab → · Contrast checker → · Palette generator →