#3B74BF#3B74BF

#3B74BF is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.7% C 0.132 H 256.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B74BF
RGB	rgb(59, 116, 191)
HSL	hsl(214, 53%, 49%)
HSV	hsv(214, 69%, 75%)
CMYK	cmyk(69.1%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.49, 6.22, -44.82)
CIE-LCH	lch(48.49, 45.25, 277.90°)
OKLab	oklab(55.74% -0.0314 -0.1277)
OKLCH	oklch(55.74% 0.132 256.2)
XYZ	xyz(17.4496, 17.1804, 51.6766)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B74BF #BF863B

analogous

#3BB6BF #3B74BF #443BBF

triadic

#3B74BF #BF3B74 #74BF3B

tetradic

#3B74BF #BF3BB6 #BF863B #3BBF44

square

#3B74BF #BF3BB6 #BF863B #3BBF44

split-complementary

#3B74BF #BF443B #B6BF3B

monochromatic

#1E3B61 #2D5890 #3B74BF #6794D0 #96B5DF

Accessibility & contrast

On white

4.73

#3B74BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3B74BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B74BF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B74BF	#FFFFFF	#000000	##FFFFFF
##3B74BF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC2

Deuteranopia (green-blind)

#3E6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b74bf;
/* rgb */ color: rgb(59, 116, 191);
/* oklch */ color: oklch(55.7% 0.132 256.2);

Tailwind

colors: {
  custom: {
    50: '#809bd3',
    500: '#3b74bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b74bf;
$custom-light: #809bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b74bf",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 214.091,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55741,
    "c": 0.1315,
    "h": 256.2
  },
  "luminance": 0.17182
}

Semantic roles & 50–950 ramp

primary

#3B74BF

secondary

#CAAF8C

accent

#9E4CDC

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3B74BF

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

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