#3899FF#3899FF

#3899FF is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.7% C 0.175 H 252.9°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#3899FF
RGB	rgb(56, 153, 255)
HSL	hsl(211, 100%, 61%)
HSV	hsv(211, 78%, 100%)
CMYK	cmyk(78%, 40%, 0%, 0%)
CIE-LAB	lab(62.37, 6.61, -58.57)
CIE-LCH	lch(62.37, 58.94, 276.43°)
OKLab	oklab(67.67% -0.0514 -0.1675)
OKLCH	oklch(67.67% 0.175 252.9)
XYZ	xyz(31.0653, 30.8395, 98.9037)
Luminance	0.3084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899FF #FF9E38

analogous

#38FCFF #3899FF #3A38FF

triadic

#3899FF #FF3899 #99FF38

tetradic

#3899FF #FF38FC #FF9E38 #38FF3A

square

#3899FF #FF38FC #FF9E38 #38FF3A

split-complementary

#3899FF #FF3A38 #FCFF38

monochromatic

#005CBD #007AFA #3899FF #75B8FF #B2D8FF

Accessibility & contrast

On white

2.93

#3899FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#3899FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3899FF

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899FF	#FFFFFF	#000000	##000000
##3899FF	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#67A1FF

Deuteranopia (green-blind)

#468FFD

Tritanopia (blue-blind)

#00B1C0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #3899ff;
/* rgb */ color: rgb(56, 153, 255);
/* oklch */ color: oklch(67.7% 0.175 252.9);

Tailwind

colors: {
  custom: {
    50: '#8bb6ff',
    500: '#3899ff',
    950: '#000000',
  },
}

SCSS

$custom: #3899ff;
$custom-light: #8bb6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3899ff",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 255
  },
  "hsl": {
    "h": 210.754,
    "s": 100,
    "l": 60.98
  },
  "oklch": {
    "l": 0.67674,
    "c": 0.17517,
    "h": 252.9
  },
  "luminance": 0.30843
}

Semantic roles & 50–950 ramp

primary

#3899FF

secondary

#EFCAA4

accent

#7600E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1118

muted

#7E8086

Preview Lab

Preview with #3899FF

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

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