#3C87DB#3C87DB

#3C87DB is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.7% C 0.148 H 253.5°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3C87DB
RGB	rgb(60, 135, 219)
HSL	hsl(212, 69%, 55%)
HSV	hsv(212, 73%, 86%)
CMYK	cmyk(72.6%, 38.4%, 0%, 14.1%)
CIE-LAB	lab(55.48, 4.85, -49.61)
CIE-LCH	lch(55.48, 49.84, 275.59°)
OKLab	oklab(61.7% -0.042 -0.1414)
OKLCH	oklch(61.7% 0.148 253.5)
XYZ	xyz(23.3089, 23.4005, 70.2924)
Luminance	0.2340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C87DB #DB903C

analogous

#3CD7DB #3C87DB #413CDB

triadic

#3C87DB #DB3C87 #87DB3C

tetradic

#3C87DB #DB3CD7 #DB903C #3CDB41

square

#3C87DB #DB3CD7 #DB903C #3CDB41

split-complementary

#3C87DB #DB413C #D7DB3C

monochromatic

#184B84 #2269B8 #3C87DB #70A7E5 #A3C7EE

Accessibility & contrast

On white

3.70

#3C87DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#3C87DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C87DB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C87DB	#FFFFFF	#000000	##000000
##3C87DB	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDE

Deuteranopia (green-blind)

#477ED9

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3c87db;
/* rgb */ color: rgb(60, 135, 219);
/* oklch */ color: oklch(61.7% 0.148 253.5);

Tailwind

colors: {
  custom: {
    50: '#85a9e6',
    500: '#3c87db',
    950: '#000000',
  },
}

SCSS

$custom: #3c87db;
$custom-light: #85a9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3c87db",
  "rgb": {
    "r": 60,
    "g": 135,
    "b": 219
  },
  "hsl": {
    "h": 211.698,
    "s": 68.831,
    "l": 54.706
  },
  "oklch": {
    "l": 0.61698,
    "c": 0.14752,
    "h": 253.5
  },
  "luminance": 0.23403
}

Semantic roles & 50–950 ramp

primary

#3C87DB

secondary

#DBBB98

accent

#993CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3C87DB

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

Preview Lab → · Contrast checker → · Palette generator →