#3C7DDD#3C7DDD

#3C7DDD is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.6% C 0.161 H 258.3°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3C7DDD
RGB	rgb(60, 125, 221)
HSL	hsl(216, 70%, 55%)
HSV	hsv(216, 73%, 87%)
CMYK	cmyk(72.9%, 43.4%, 0%, 13.3%)
CIE-LAB	lab(52.78, 11.66, -55.04)
CIE-LCH	lch(52.78, 56.26, 281.96°)
OKLab	oklab(59.64% -0.0327 -0.1575)
OKLCH	oklch(59.64% 0.161 258.3)
XYZ	xyz(22.2435, 20.8459, 71.2440)
Luminance	0.2085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C7DDD #DD9C3C

analogous

#3CCEDD #3C7DDD #4B3CDD

triadic

#3C7DDD #DD3C7D #7DDD3C

tetradic

#3C7DDD #DD3CCE #DD9C3C #3CDD4B

square

#3C7DDD #DD3CCE #DD9C3C #3CDD4B

split-complementary

#3C7DDD #DD4B3C #CEDD3C

monochromatic

#184587 #215FBB #3C7DDD #70A0E6 #A4C2EF

Accessibility & contrast

On white

4.06

#3C7DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3C7DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C7DDD

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C7DDD	#FFFFFF	#000000	##000000
##3C7DDD	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D86E1

Deuteranopia (green-blind)

#2F77DB

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3c7ddd;
/* rgb */ color: rgb(60, 125, 221);
/* oklch */ color: oklch(59.6% 0.161 258.3);

Tailwind

colors: {
  custom: {
    50: '#86a2e8',
    500: '#3c7ddd',
    950: '#000000',
  },
}

SCSS

$custom: #3c7ddd;
$custom-light: #86a2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c7ddd",
  "rgb": {
    "r": 60,
    "g": 125,
    "b": 221
  },
  "hsl": {
    "h": 215.776,
    "s": 70.306,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59635,
    "c": 0.1609,
    "h": 258.3
  },
  "luminance": 0.20848
}

Semantic roles & 50–950 ramp

primary

#3C7DDD

secondary

#DCC199

accent

#A53BED

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3C7DDD

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

Preview Lab → · Contrast checker → · Palette generator →