#3A8FB3#3A8FB3

#3A8FB3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.097 H 229.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A8FB3
RGB	rgb(58, 143, 179)
HSL	hsl(198, 51%, 46%)
HSV	hsv(198, 68%, 70%)
CMYK	cmyk(67.6%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.88, -13.94, -26.34)
CIE-LCH	lch(55.88, 29.80, 242.11°)
OKLab	oklab(61.38% -0.0632 -0.0738)
OKLCH	oklch(61.38% 0.097 229.4)
XYZ	xyz(19.7008, 23.7970, 46.1941)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A8FB3 #B35E3A

analogous

#3AB39B #3A8FB3 #3A53B3

triadic

#3A8FB3 #B33A8F #8FB33A

tetradic

#3A8FB3 #9B3AB3 #B35E3A #53B33A

square

#3A8FB3 #9B3AB3 #B35E3A #53B33A

split-complementary

#3A8FB3 #B33A53 #B39B3A

monochromatic

#1C4557 #2B6A85 #3A8FB3 #5FABCB #8DC3DA

Accessibility & contrast

On white

3.65

#3A8FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#3A8FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8FB3

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A8FB3	#FFFFFF	#000000	##000000
##3A8FB3	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB5

Deuteranopia (green-blind)

#6C81B3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3a8fb3;
/* rgb */ color: rgb(58, 143, 179);
/* oklch */ color: oklch(61.4% 0.097 229.4);

Tailwind

colors: {
  custom: {
    50: '#7eafca',
    500: '#3a8fb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a8fb3;
$custom-light: #7eafca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a8fb3",
  "rgb": {
    "r": 58,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 197.851,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.6138,
    "c": 0.09716,
    "h": 229.4
  },
  "luminance": 0.23799
}

Semantic roles & 50–950 ramp

primary

#3A8FB3

secondary

#C59784

accent

#774DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3A8FB3

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

Preview Lab → · Contrast checker → · Palette generator →