#3A7DB5#3A7DB5

#3A7DB5 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.110 H 246.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A7DB5
RGB	rgb(58, 125, 181)
HSL	hsl(207, 51%, 47%)
HSV	hsv(207, 68%, 71%)
CMYK	cmyk(68%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.57, -2.95, -35.77)
CIE-LCH	lch(50.57, 35.89, 265.28°)
OKLab	oklab(57.19% -0.0438 -0.1011)
OKLCH	oklch(57.19% 0.11 246.6)
XYZ	xyz(17.4159, 18.9011, 46.4375)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7DB5 #B5723A

analogous

#3AB5B0 #3A7DB5 #3A40B5

triadic

#3A7DB5 #B53A7D #7DB53A

tetradic

#3A7DB5 #B03AB5 #B5723A #40B53A

square

#3A7DB5 #B03AB5 #B5723A #40B53A

split-complementary

#3A7DB5 #B53A40 #B5B03A

monochromatic

#1C3D58 #2B5D87 #3A7DB5 #609BCC #8EB8DB

Accessibility & contrast

On white

4.39

#3A7DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3A7DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7DB5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7DB5	#FFFFFF	#000000	##000000
##3A7DB5	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB7

Deuteranopia (green-blind)

#5373B4

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7db5;
/* rgb */ color: rgb(58, 125, 181);
/* oklch */ color: oklch(57.2% 0.110 246.6);

Tailwind

colors: {
  custom: {
    50: '#7ea2cb',
    500: '#3a7db5',
    950: '#000000',
  },
}

SCSS

$custom: #3a7db5;
$custom-light: #7ea2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7db5",
  "rgb": {
    "r": 58,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 207.317,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57195,
    "c": 0.11022,
    "h": 246.6
  },
  "luminance": 0.18903
}

Semantic roles & 50–950 ramp

primary

#3A7DB5

secondary

#C6A385

accent

#8E4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3A7DB5

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

Preview Lab → · Contrast checker → · Palette generator →