#3881D9#3881D9

#3881D9 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.1% C 0.153 H 255.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3881D9
RGB	rgb(56, 129, 217)
HSL	hsl(213, 68%, 54%)
HSV	hsv(213, 74%, 85%)
CMYK	cmyk(74.2%, 40.6%, 0%, 14.9%)
CIE-LAB	lab(53.54, 7.24, -51.58)
CIE-LCH	lch(53.54, 52.08, 277.99°)
OKLab	oklab(60.12% -0.0396 -0.1473)
OKLCH	oklch(60.12% 0.153 255)
XYZ	xyz(22.0009, 21.5485, 68.6320)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3881D9 #D99038

analogous

#38D1D9 #3881D9 #3F38D9

triadic

#3881D9 #D93881 #81D938

tetradic

#3881D9 #D938D1 #D99038 #38D93F

square

#3881D9 #D938D1 #D99038 #38D93F

split-complementary

#3881D9 #D93F38 #D1D938

monochromatic

#18477E #2263B2 #3881D9 #6BA2E3 #9FC2ED

Accessibility & contrast

On white

3.95

#3881D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3881D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881D9

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3881D9	#FFFFFF	#000000	##000000
##3881D9	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5788DC

Deuteranopia (green-blind)

#3C79D7

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3881d9;
/* rgb */ color: rgb(56, 129, 217);
/* oklch */ color: oklch(60.1% 0.153 255.0);

Tailwind

colors: {
  custom: {
    50: '#83a5e5',
    500: '#3881d9',
    950: '#000000',
  },
}

SCSS

$custom: #3881d9;
$custom-light: #83a5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3881d9",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 217
  },
  "hsl": {
    "h": 212.795,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60117,
    "c": 0.15257,
    "h": 255
  },
  "luminance": 0.21551
}

Semantic roles & 50–950 ramp

primary

#3881D9

secondary

#D9BA94

accent

#9C3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3881D9

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

Preview Lab → · Contrast checker → · Palette generator →