#3177AA#3177AA

#3177AA is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.9% C 0.106 H 243.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3177AA
RGB	rgb(49, 119, 170)
HSL	hsl(205, 55%, 43%)
HSV	hsv(205, 71%, 67%)
CMYK	cmyk(71.2%, 30%, 0%, 33.3%)
CIE-LAB	lab(47.94, -4.70, -33.54)
CIE-LCH	lch(47.94, 33.87, 262.02°)
OKLab	oklab(54.86% -0.047 -0.0948)
OKLCH	oklch(54.86% 0.106 243.7)
XYZ	xyz(15.1164, 16.7472, 40.4583)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177AA #AA6431

analogous

#31AAA0 #3177AA #313BAA

triadic

#3177AA #AA3177 #77AA31

tetradic

#3177AA #A031AA #AA6431 #3BAA31

square

#3177AA #A031AA #AA6431 #3BAA31

split-complementary

#3177AA #AA313B #AAA031

monochromatic

#16344B #23567A #3177AA #4D96CC #7CB2D9

Accessibility & contrast

On white

4.83

#3177AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3177AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177AA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177AA	#FFFFFF	#000000	##FFFFFF
##3177AA	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6078AC

Deuteranopia (green-blind)

#4F6DA9

Tritanopia (blue-blind)

#008389

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3177aa;
/* rgb */ color: rgb(49, 119, 170);
/* oklch */ color: oklch(54.9% 0.106 243.7);

Tailwind

colors: {
  custom: {
    50: '#789ec3',
    500: '#3177aa',
    950: '#000000',
  },
}

SCSS

$custom: #3177aa;
$custom-light: #789ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3177aa",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 170
  },
  "hsl": {
    "h": 205.289,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5486,
    "c": 0.10582,
    "h": 243.7
  },
  "luminance": 0.16749
}

Semantic roles & 50–950 ramp

primary

#3177AA

secondary

#C29575

accent

#8849DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3177AA

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

Preview Lab → · Contrast checker → · Palette generator →