#3175B9#3175B9

#3175B9 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.2% C 0.126 H 251.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3175B9
RGB	rgb(49, 117, 185)
HSL	hsl(210, 58%, 46%)
HSV	hsv(210, 74%, 73%)
CMYK	cmyk(73.5%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.10, 1.94, -41.99)
CIE-LCH	lch(48.10, 42.03, 272.65°)
OKLab	oklab(55.24% -0.0407 -0.1195)
OKLCH	oklch(55.24% 0.126 251.2)
XYZ	xyz(16.3816, 16.8765, 48.2837)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175B9 #B97531

analogous

#31B9B9 #3175B9 #3131B9

triadic

#3175B9 #B93175 #75B931

tetradic

#3175B9 #B931B9 #B97531 #31B931

square

#3175B9 #B931B9 #B97531 #31B931

split-complementary

#3175B9 #B93131 #B9B931

monochromatic

#173858 #245689 #3175B9 #5594D2 #86B2DF

Accessibility & contrast

On white

4.80

#3175B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3175B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3175B9

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175B9	#FFFFFF	#000000	##FFFFFF
##3175B9	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5679BC

Deuteranopia (green-blind)

#426CB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3175b9;
/* rgb */ color: rgb(49, 117, 185);
/* oklch */ color: oklch(55.2% 0.126 251.2);

Tailwind

colors: {
  custom: {
    50: '#7b9cce',
    500: '#3175b9',
    950: '#000000',
  },
}

SCSS

$custom: #3175b9;
$custom-light: #7b9cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3175b9",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 210,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55239,
    "c": 0.12624,
    "h": 251.2
  },
  "luminance": 0.16878
}

Semantic roles & 50–950 ramp

primary

#3175B9

secondary

#C8A37D

accent

#9446E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3175B9

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

Preview Lab → · Contrast checker → · Palette generator →