#2177A8#2177A8

#2177A8 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.3% C 0.109 H 239.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2177A8
RGB	rgb(33, 119, 168)
HSL	hsl(202, 67%, 39%)
HSV	hsv(202, 80%, 66%)
CMYK	cmyk(80.4%, 29.2%, 0%, 34.1%)
CIE-LAB	lab(47.42, -7.50, -33.22)
CIE-LCH	lch(47.42, 34.06, 257.28°)
OKLab	oklab(54.3% -0.056 -0.094)
OKLCH	oklch(54.3% 0.109 239.2)
XYZ	xyz(14.2891, 16.3424, 39.4395)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2177A8 #A85221

analogous

#21A896 #2177A8 #2133A8

triadic

#2177A8 #A82177 #77A821

tetradic

#2177A8 #9621A8 #A85221 #33A821

square

#2177A8 #9621A8 #A85221 #33A821

split-complementary

#2177A8 #A82133 #A89621

monochromatic

#0D2F42 #175375 #2177A8 #309AD6 #63B3E0

Accessibility & contrast

On white

4.92

#2177A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2177A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2177A8

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2177A8	#FFFFFF	#000000	##FFFFFF
##2177A8	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6077AA

Deuteranopia (green-blind)

#4D6BA7

Tritanopia (blue-blind)

#008388

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2177a8;
/* rgb */ color: rgb(33, 119, 168);
/* oklch */ color: oklch(54.3% 0.109 239.2);

Tailwind

colors: {
  custom: {
    50: '#729ec2',
    500: '#2177a8',
    950: '#000000',
  },
}

SCSS

$custom: #2177a8;
$custom-light: #729ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2177a8",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 168
  },
  "hsl": {
    "h": 201.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54297,
    "c": 0.10946,
    "h": 239.2
  },
  "luminance": 0.16344
}

Semantic roles & 50–950 ramp

primary

#2177A8

secondary

#C5845F

accent

#7C3EEA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2177A8

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

Preview Lab → · Contrast checker → · Palette generator →