#3888B9#3888B9

#3888B9 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.9% C 0.107 H 239.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3888B9
RGB	rgb(56, 136, 185)
HSL	hsl(203, 54%, 47%)
HSV	hsv(203, 70%, 73%)
CMYK	cmyk(69.7%, 26.5%, 0%, 27.5%)
CIE-LAB	lab(53.97, -8.29, -32.74)
CIE-LCH	lch(53.97, 33.77, 255.79°)
OKLab	oklab(59.93% -0.0551 -0.0923)
OKLCH	oklch(59.93% 0.107 239.2)
XYZ	xyz(19.1886, 21.9498, 49.1150)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3888B9 #B96938

analogous

#38B9AA #3888B9 #3847B9

triadic

#3888B9 #B93888 #88B938

tetradic

#3888B9 #AA38B9 #B96938 #47B938

square

#3888B9 #AA38B9 #B96938 #47B938

split-complementary

#3888B9 #B93847 #B9AA38

monochromatic

#1C435B #2A658A #3888B9 #5FA4CF #8EBFDD

Accessibility & contrast

On white

3.90

#3888B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3888B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3888B9

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3888B9	#FFFFFF	#000000	##000000
##3888B9	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7188BB

Deuteranopia (green-blind)

#607BB8

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3888b9;
/* rgb */ color: rgb(56, 136, 185);
/* oklch */ color: oklch(59.9% 0.107 239.2);

Tailwind

colors: {
  custom: {
    50: '#7eaace',
    500: '#3888b9',
    950: '#000000',
  },
}

SCSS

$custom: #3888b9;
$custom-light: #7eaace;
$custom-dark: #000000;

JSON

{
  "hex": "#3888b9",
  "rgb": {
    "r": 56,
    "g": 136,
    "b": 185
  },
  "hsl": {
    "h": 202.791,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.10745,
    "h": 239.2
  },
  "luminance": 0.21952
}

Semantic roles & 50–950 ramp

primary

#3888B9

secondary

#C89E85

accent

#824BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3888B9

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

Preview Lab → · Contrast checker → · Palette generator →