#3174B9#3174B9

#3174B9 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.127 H 251.8°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3174B9
RGB	rgb(49, 116, 185)
HSL	hsl(210, 58%, 46%)
HSV	hsv(210, 74%, 73%)
CMYK	cmyk(73.5%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(47.81, 2.56, -42.46)
CIE-LCH	lch(47.81, 42.53, 273.45°)
OKLab	oklab(55.01% -0.0397 -0.1209)
OKLCH	oklch(55.01% 0.127 251.8)
XYZ	xyz(16.2657, 16.6447, 48.2450)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174B9 #B97631

analogous

#31B8B9 #3174B9 #3231B9

triadic

#3174B9 #B93174 #74B931

tetradic

#3174B9 #B931B8 #B97631 #31B932

square

#3174B9 #B931B8 #B97631 #31B932

split-complementary

#3174B9 #B93231 #B8B931

monochromatic

#173758 #245689 #3174B9 #5593D2 #86B2DF

Accessibility & contrast

On white

4.85

#3174B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3174B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174B9

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174B9	#FFFFFF	#000000	##FFFFFF
##3174B9	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BC

Deuteranopia (green-blind)

#406CB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3174b9;
/* rgb */ color: rgb(49, 116, 185);
/* oklch */ color: oklch(55.0% 0.127 251.8);

Tailwind

colors: {
  custom: {
    50: '#7b9bce',
    500: '#3174b9',
    950: '#000000',
  },
}

SCSS

$custom: #3174b9;
$custom-light: #7b9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3174b9",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 210.441,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55008,
    "c": 0.12725,
    "h": 251.8
  },
  "luminance": 0.16647
}

Semantic roles & 50–950 ramp

primary

#3174B9

secondary

#C8A37D

accent

#9546E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3174B9

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

Preview Lab → · Contrast checker → · Palette generator →