#3B8CDD#3B8CDD

#3B8CDD is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.145 H 251.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B8CDD
RGB	rgb(59, 140, 221)
HSL	hsl(210, 70%, 55%)
HSV	hsv(210, 73%, 87%)
CMYK	cmyk(73.3%, 36.7%, 0%, 13.3%)
CIE-LAB	lab(56.98, 2.45, -48.35)
CIE-LCH	lch(56.98, 48.41, 272.90°)
OKLab	oklab(62.9% -0.0466 -0.1377)
OKLCH	oklch(62.9% 0.145 251.3)
XYZ	xyz(24.2280, 24.9037, 71.9226)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8CDD #DD8C3B

analogous

#3BDDDD #3B8CDD #3B3BDD

triadic

#3B8CDD #DD3B8C #8CDD3B

tetradic

#3B8CDD #DD3BDD #DD8C3B #3BDD3B

square

#3B8CDD #DD3BDD #DD8C3B #3BDD3B

split-complementary

#3B8CDD #DD3B3B #DDDD3B

monochromatic

#174F86 #206DBA #3B8CDD #6FABE6 #A3C9EF

Accessibility & contrast

On white

3.51

#3B8CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#3B8CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8CDD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8CDD	#FFFFFF	#000000	##000000
##3B8CDD	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6791E0

Deuteranopia (green-blind)

#4E82DB

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3b8cdd;
/* rgb */ color: rgb(59, 140, 221);
/* oklch */ color: oklch(62.9% 0.145 251.3);

Tailwind

colors: {
  custom: {
    50: '#85ade8',
    500: '#3b8cdd',
    950: '#000000',
  },
}

SCSS

$custom: #3b8cdd;
$custom-light: #85ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8cdd",
  "rgb": {
    "r": 59,
    "g": 140,
    "b": 221
  },
  "hsl": {
    "h": 210,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62895,
    "c": 0.14535,
    "h": 251.3
  },
  "luminance": 0.24906
}

Semantic roles & 50–950 ramp

primary

#3B8CDD

secondary

#DCBA98

accent

#943BED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3B8CDD

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

Preview Lab → · Contrast checker → · Palette generator →