#3175B8#3175B8

#3175B8 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.125 H 250.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3175B8
RGB	rgb(49, 117, 184)
HSL	hsl(210, 58%, 46%)
HSV	hsv(210, 73%, 72%)
CMYK	cmyk(73.4%, 36.4%, 0%, 27.8%)
CIE-LAB	lab(48.05, 1.58, -41.50)
CIE-LCH	lch(48.05, 41.53, 272.18°)
OKLab	oklab(55.18% -0.0409 -0.1181)
OKLCH	oklch(55.18% 0.125 250.9)
XYZ	xyz(16.2764, 16.8344, 47.7297)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175B8 #B87431

analogous

#31B8B7 #3175B8 #3131B8

triadic

#3175B8 #B83175 #75B831

tetradic

#3175B8 #B731B8 #B87431 #31B831

square

#3175B8 #B731B8 #B87431 #31B831

split-complementary

#3175B8 #B83131 #B8B731

monochromatic

#173857 #245688 #3175B8 #5594D2 #85B2DE

Accessibility & contrast

On white

4.81

#3175B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3175B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3175B8

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175B8	#FFFFFF	#000000	##FFFFFF
##3175B8	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5679BB

Deuteranopia (green-blind)

#426CB7

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3175b8;
/* rgb */ color: rgb(49, 117, 184);
/* oklch */ color: oklch(55.2% 0.125 250.9);

Tailwind

colors: {
  custom: {
    50: '#7b9ccd',
    500: '#3175b8',
    950: '#000000',
  },
}

SCSS

$custom: #3175b8;
$custom-light: #7b9ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3175b8",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 184
  },
  "hsl": {
    "h": 209.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.12495,
    "h": 250.9
  },
  "luminance": 0.16836
}

Semantic roles & 50–950 ramp

primary

#3175B8

secondary

#C8A27D

accent

#9347E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3175B8

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

Preview Lab → · Contrast checker → · Palette generator →