#3A8BCB#3A8BCB

#3A8BCB is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.125 H 245.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A8BCB
RGB	rgb(58, 139, 203)
HSL	hsl(206, 58%, 51%)
HSV	hsv(206, 71%, 80%)
CMYK	cmyk(71.4%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(55.76, -3.47, -40.16)
CIE-LCH	lch(55.76, 40.31, 265.06°)
OKLab	oklab(61.63% -0.0512 -0.1138)
OKLCH	oklch(61.63% 0.125 245.8)
XYZ	xyz(21.7529, 23.6742, 59.9115)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A8BCB #CB7A3A

analogous

#3ACBC3 #3A8BCB #3A42CB

triadic

#3A8BCB #CB3A8B #8BCB3A

tetradic

#3A8BCB #C33ACB #CB7A3A #42CB3A

square

#3A8BCB #C33ACB #CB7A3A #42CB3A

split-complementary

#3A8BCB #CB3A42 #CBC33A

monochromatic

#1D4A6E #2A6B9E #3A8BCB #6AA8D8 #9BC4E5

Accessibility & contrast

On white

3.66

#3A8BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3A8BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8BCB

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A8BCB	#FFFFFF	#000000	##000000
##3A8BCB	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8DCE

Deuteranopia (green-blind)

#5A7FCA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3a8bcb;
/* rgb */ color: rgb(58, 139, 203);
/* oklch */ color: oklch(61.6% 0.125 245.8);

Tailwind

colors: {
  custom: {
    50: '#82acdb',
    500: '#3a8bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a8bcb;
$custom-light: #82acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a8bcb",
  "rgb": {
    "r": 58,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 206.483,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61632,
    "c": 0.12476,
    "h": 245.8
  },
  "luminance": 0.23677
}

Semantic roles & 50–950 ramp

primary

#3A8BCB

secondary

#D0AD90

accent

#8B46E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3A8BCB

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

Preview Lab → · Contrast checker → · Palette generator →