#3177BB#3177BB

#3177BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.127 H 250.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3177BB
RGB	rgb(49, 119, 187)
HSL	hsl(210, 58%, 46%)
HSV	hsv(210, 74%, 73%)
CMYK	cmyk(73.8%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(48.80, 1.46, -42.04)
CIE-LCH	lch(48.80, 42.07, 271.98°)
OKLab	oklab(55.82% -0.042 -0.1196)
OKLCH	oklch(55.82% 0.127 250.6)
XYZ	xyz(16.8297, 17.4326, 49.4819)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177BB #BB7531

analogous

#31BBBA #3177BB #3132BB

triadic

#3177BB #BB3177 #77BB31

tetradic

#3177BB #BA31BB #BB7531 #32BB31

square

#3177BB #BA31BB #BB7531 #32BB31

split-complementary

#3177BB #BB3132 #BBBA31

monochromatic

#18395A #24588B #3177BB #5696D3 #87B4E0

Accessibility & contrast

On white

4.68

#3177BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3177BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177BB	#FFFFFF	#000000	##FFFFFF
##3177BB	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3177bb;
/* rgb */ color: rgb(49, 119, 187);
/* oklch */ color: oklch(55.8% 0.127 250.6);

Tailwind

colors: {
  custom: {
    50: '#7b9dd0',
    500: '#3177bb',
    950: '#000000',
  },
}

SCSS

$custom: #3177bb;
$custom-light: #7b9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3177bb",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 209.565,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55819,
    "c": 0.12679,
    "h": 250.6
  },
  "luminance": 0.17434
}

Semantic roles & 50–950 ramp

primary

#3177BB

secondary

#C9A37F

accent

#9346E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3177BB

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

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