#3899B5#3899B5

#3899B5 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 63.8% C 0.098 H 220.7°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3899B5
RGB	rgb(56, 153, 181)
HSL	hsl(193, 53%, 46%)
HSV	hsv(193, 69%, 71%)
CMYK	cmyk(69.1%, 15.5%, 0%, 29%)
CIE-LAB	lab(58.93, -19.01, -22.79)
CIE-LCH	lch(58.93, 29.68, 230.17°)
OKLab	oklab(63.83% -0.074 -0.0636)
OKLCH	oklch(63.83% 0.098 220.7)
XYZ	xyz(21.3592, 26.9570, 47.7846)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899B5 #B55438

analogous

#38B593 #3899B5 #385BB5

triadic

#3899B5 #B53899 #99B538

tetradic

#3899B5 #9338B5 #B55438 #5BB538

square

#3899B5 #9338B5 #B55438 #5BB538

split-complementary

#3899B5 #B5385B #B59338

monochromatic

#1B4A58 #2A7186 #3899B5 #5DB4CD #8CCADB

Accessibility & contrast

On white

3.29

#3899B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3899B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899B5

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899B5	#FFFFFF	#000000	##000000
##3899B5	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8895B6

Deuteranopia (green-blind)

#7788B5

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3899b5;
/* rgb */ color: rgb(56, 153, 181);
/* oklch */ color: oklch(63.8% 0.098 220.7);

Tailwind

colors: {
  custom: {
    50: '#7eb7cb',
    500: '#3899b5',
    950: '#000000',
  },
}

SCSS

$custom: #3899b5;
$custom-light: #7eb7cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3899b5",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 181
  },
  "hsl": {
    "h": 193.44,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.6383,
    "c": 0.09755,
    "h": 220.7
  },
  "luminance": 0.26959
}

Semantic roles & 50–950 ramp

primary

#3899B5

secondary

#C69283

accent

#6C4CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3899B5

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

Preview Lab → · Contrast checker → · Palette generator →