#3974B7#3974B7

#3974B7 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.122 H 253.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3974B7
RGB	rgb(57, 116, 183)
HSL	hsl(212, 53%, 47%)
HSV	hsv(212, 69%, 72%)
CMYK	cmyk(68.9%, 36.6%, 0%, 28.2%)
CIE-LAB	lab(47.98, 3.02, -41.01)
CIE-LCH	lch(47.98, 41.13, 274.21°)
OKLab	oklab(55.18% -0.0348 -0.1166)
OKLCH	oklch(55.18% 0.122 253.4)
XYZ	xyz(16.4768, 16.7778, 47.1607)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974B7 #B77C39

analogous

#39B3B7 #3974B7 #3D39B7

triadic

#3974B7 #B73974 #74B739

tetradic

#3974B7 #B739B3 #B77C39 #39B73D

square

#3974B7 #B739B3 #B77C39 #39B73D

split-complementary

#3974B7 #B73D39 #B3B739

monochromatic

#1C395A #2A5688 #3974B7 #6093CD #8EB3DC

Accessibility & contrast

On white

4.82

#3974B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3974B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974B7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974B7	#FFFFFF	#000000	##FFFFFF
##3974B7	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5678BA

Deuteranopia (green-blind)

#446CB6

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3974b7;
/* rgb */ color: rgb(57, 116, 183);
/* oklch */ color: oklch(55.2% 0.122 253.4);

Tailwind

colors: {
  custom: {
    50: '#7d9bcd',
    500: '#3974b7',
    950: '#000000',
  },
}

SCSS

$custom: #3974b7;
$custom-light: #7d9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3974b7",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 183
  },
  "hsl": {
    "h": 211.905,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55183,
    "c": 0.12166,
    "h": 253.4
  },
  "luminance": 0.1678
}

Semantic roles & 50–950 ramp

primary

#3974B7

secondary

#C7A885

accent

#984CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3974B7

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

Preview Lab → · Contrast checker → · Palette generator →