#3A7DB4#3A7DB4

#3A7DB4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.109 H 246.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A7DB4
RGB	rgb(58, 125, 180)
HSL	hsl(207, 51%, 47%)
HSV	hsv(207, 68%, 71%)
CMYK	cmyk(67.8%, 30.6%, 0%, 29.4%)
CIE-LAB	lab(50.52, -3.30, -35.27)
CIE-LCH	lch(50.52, 35.42, 264.65°)
OKLab	oklab(57.14% -0.0441 -0.0997)
OKLCH	oklch(57.14% 0.109 246.1)
XYZ	xyz(17.3137, 18.8602, 45.8991)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7DB4 #B4713A

analogous

#3AB4AE #3A7DB4 #3A40B4

triadic

#3A7DB4 #B43A7D #7DB43A

tetradic

#3A7DB4 #AE3AB4 #B4713A #40B43A

square

#3A7DB4 #AE3AB4 #B4713A #40B43A

split-complementary

#3A7DB4 #B43A40 #B4AE3A

monochromatic

#1C3D57 #2B5D86 #3A7DB4 #609BCC #8EB8DB

Accessibility & contrast

On white

4.40

#3A7DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3A7DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7DB4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7DB4	#FFFFFF	#000000	##000000
##3A7DB4	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)

#657FB6

Deuteranopia (green-blind)

#5473B3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7db4;
/* rgb */ color: rgb(58, 125, 180);
/* oklch */ color: oklch(57.1% 0.109 246.1);

Tailwind

colors: {
  custom: {
    50: '#7ea2ca',
    500: '#3a7db4',
    950: '#000000',
  },
}

SCSS

$custom: #3a7db4;
$custom-light: #7ea2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7db4",
  "rgb": {
    "r": 58,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 207.049,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57141,
    "c": 0.10901,
    "h": 246.1
  },
  "luminance": 0.18862
}

Semantic roles & 50–950 ramp

primary

#3A7DB4

secondary

#C5A285

accent

#8D4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3A7DB4

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

Preview Lab → · Contrast checker → · Palette generator →