#3C74BB#3C74BB

#3C74BB is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.126 H 255.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3C74BB
RGB	rgb(60, 116, 187)
HSL	hsl(214, 51%, 48%)
HSV	hsv(214, 68%, 73%)
CMYK	cmyk(67.9%, 38%, 0%, 26.7%)
CIE-LAB	lab(48.31, 4.94, -42.80)
CIE-LCH	lch(48.31, 43.08, 276.59°)
OKLab	oklab(55.54% -0.0316 -0.1217)
OKLCH	oklch(55.54% 0.126 255.4)
XYZ	xyz(17.0752, 17.0375, 49.3928)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C74BB #BB833C

analogous

#3CB3BB #3C74BB #433CBB

triadic

#3C74BB #BB3C74 #74BB3C

tetradic

#3C74BB #BB3CB3 #BB833C #3CBB43

square

#3C74BB #BB3CB3 #BB833C #3CBB43

split-complementary

#3C74BB #BB433C #B3BB3C

monochromatic

#1E3B5E #2D578D #3C74BB #6694CE #95B4DD

Accessibility & contrast

On white

4.76

#3C74BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3C74BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C74BB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C74BB	#FFFFFF	#000000	##FFFFFF
##3C74BB	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#416DBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3c74bb;
/* rgb */ color: rgb(60, 116, 187);
/* oklch */ color: oklch(55.5% 0.126 255.4);

Tailwind

colors: {
  custom: {
    50: '#7f9bd0',
    500: '#3c74bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c74bb;
$custom-light: #7f9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c74bb",
  "rgb": {
    "r": 60,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 213.543,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55541,
    "c": 0.12579,
    "h": 255.4
  },
  "luminance": 0.17039
}

Semantic roles & 50–950 ramp

primary

#3C74BB

secondary

#C8AD8B

accent

#9C4DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3C74BB

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

Preview Lab → · Contrast checker → · Palette generator →