#3A7CB5#3A7CB5

#3A7CB5 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.111 H 247.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A7CB5
RGB	rgb(58, 124, 181)
HSL	hsl(208, 51%, 47%)
HSV	hsv(208, 68%, 71%)
CMYK	cmyk(68%, 31.5%, 0%, 29%)
CIE-LAB	lab(50.27, -2.36, -36.23)
CIE-LCH	lch(50.27, 36.31, 266.27°)
OKLab	oklab(56.96% -0.0428 -0.1025)
OKLCH	oklch(56.96% 0.111 247.3)
XYZ	xyz(17.2899, 18.6492, 46.3956)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7CB5 #B5733A

analogous

#3AB5B1 #3A7CB5 #3A3FB5

triadic

#3A7CB5 #B53A7C #7CB53A

tetradic

#3A7CB5 #B13AB5 #B5733A #3FB53A

square

#3A7CB5 #B13AB5 #B5733A #3FB53A

split-complementary

#3A7CB5 #B53A3F #B5B13A

monochromatic

#1C3C58 #2B5C87 #3A7CB5 #609ACC #8EB7DB

Accessibility & contrast

On white

4.44

#3A7CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3A7CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7CB5

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7CB5	#FFFFFF	#000000	##000000
##3A7CB5	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB7

Deuteranopia (green-blind)

#5272B4

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7cb5;
/* rgb */ color: rgb(58, 124, 181);
/* oklch */ color: oklch(57.0% 0.111 247.3);

Tailwind

colors: {
  custom: {
    50: '#7ea1cb',
    500: '#3a7cb5',
    950: '#000000',
  },
}

SCSS

$custom: #3a7cb5;
$custom-light: #7ea1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7cb5",
  "rgb": {
    "r": 58,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 207.805,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56961,
    "c": 0.11108,
    "h": 247.3
  },
  "luminance": 0.18651
}

Semantic roles & 50–950 ramp

primary

#3A7CB5

secondary

#C6A385

accent

#8F4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3A7CB5

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

Preview Lab → · Contrast checker → · Palette generator →