#3A8DDD#3A8DDD

#3A8DDD is a light, vivid cyan. Relative luminance 0.252; OKLCH L 63.1% C 0.145 H 250.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3A8DDD
RGB	rgb(58, 141, 221)
HSL	hsl(209, 71%, 55%)
HSV	hsv(209, 74%, 87%)
CMYK	cmyk(73.8%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(57.24, 1.73, -47.95)
CIE-LCH	lch(57.24, 47.98, 272.07°)
OKLab	oklab(63.09% -0.0481 -0.1365)
OKLCH	oklch(63.09% 0.145 250.6)
XYZ	xyz(24.3160, 25.1670, 71.9688)
Luminance	0.2517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A8DDD #DD8A3A

analogous

#3ADDDC #3A8DDD #3A3BDD

triadic

#3A8DDD #DD3A8D #8DDD3A

tetradic

#3A8DDD #DC3ADD #DD8A3A #3BDD3A

square

#3A8DDD #DC3ADD #DD8A3A #3BDD3A

split-complementary

#3A8DDD #DD3A3B #DDDC3A

monochromatic

#174F86 #206EBA #3A8DDD #6EABE6 #A2C9EF

Accessibility & contrast

On white

3.48

#3A8DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#3A8DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8DDD

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A8DDD	#FFFFFF	#000000	##000000
##3A8DDD	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E0

Deuteranopia (green-blind)

#5083DB

Tritanopia (blue-blind)

#00A0AA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3a8ddd;
/* rgb */ color: rgb(58, 141, 221);
/* oklch */ color: oklch(63.1% 0.145 250.6);

Tailwind

colors: {
  custom: {
    50: '#85ade8',
    500: '#3a8ddd',
    950: '#000000',
  },
}

SCSS

$custom: #3a8ddd;
$custom-light: #85ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a8ddd",
  "rgb": {
    "r": 58,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 209.448,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63088,
    "c": 0.14472,
    "h": 250.6
  },
  "luminance": 0.2517
}

Semantic roles & 50–950 ramp

primary

#3A8DDD

secondary

#DCB997

accent

#923AED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3A8DDD

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

Preview Lab → · Contrast checker → · Palette generator →