#3B8EDD#3B8EDD

#3B8EDD is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.143 H 250.3°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B8EDD
RGB	rgb(59, 142, 221)
HSL	hsl(209, 70%, 55%)
HSV	hsv(209, 73%, 87%)
CMYK	cmyk(73.3%, 35.7%, 0%, 13.3%)
CIE-LAB	lab(57.55, 1.27, -47.44)
CIE-LCH	lch(57.55, 47.46, 271.53°)
OKLab	oklab(63.34% -0.0484 -0.135)
OKLCH	oklch(63.34% 0.143 250.3)
XYZ	xyz(24.5229, 25.4935, 72.0209)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8EDD #DD8A3B

analogous

#3BDDDB #3B8EDD #3B3DDD

triadic

#3B8EDD #DD3B8E #8EDD3B

tetradic

#3B8EDD #DB3BDD #DD8A3B #3DDD3B

square

#3B8EDD #DB3BDD #DD8A3B #3DDD3B

split-complementary

#3B8EDD #DD3B3D #DDDB3B

monochromatic

#175086 #206FBA #3B8EDD #6FACE6 #A3CAEF

Accessibility & contrast

On white

3.44

#3B8EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#3B8EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8EDD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8EDD	#FFFFFF	#000000	##000000
##3B8EDD	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92E0

Deuteranopia (green-blind)

#5283DB

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3b8edd;
/* rgb */ color: rgb(59, 142, 221);
/* oklch */ color: oklch(63.3% 0.143 250.3);

Tailwind

colors: {
  custom: {
    50: '#85aee8',
    500: '#3b8edd',
    950: '#000000',
  },
}

SCSS

$custom: #3b8edd;
$custom-light: #85aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8edd",
  "rgb": {
    "r": 59,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 209.259,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63343,
    "c": 0.14341,
    "h": 250.3
  },
  "luminance": 0.25496
}

Semantic roles & 50–950 ramp

primary

#3B8EDD

secondary

#DCB998

accent

#923BED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3B8EDD

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

Preview Lab → · Contrast checker → · Palette generator →