#2177A9#2177A9

#2177A9 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.4% C 0.111 H 239.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2177A9
RGB	rgb(33, 119, 169)
HSL	hsl(202, 67%, 40%)
HSV	hsv(202, 80%, 66%)
CMYK	cmyk(80.5%, 29.6%, 0%, 33.7%)
CIE-LAB	lab(47.47, -7.13, -33.73)
CIE-LCH	lch(47.47, 34.47, 258.06°)
OKLab	oklab(54.35% -0.0557 -0.0955)
OKLCH	oklch(54.35% 0.111 239.8)
XYZ	xyz(14.3826, 16.3798, 39.9320)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2177A9 #A95321

analogous

#21A997 #2177A9 #2133A9

triadic

#2177A9 #A92177 #77A921

tetradic

#2177A9 #9721A9 #A95321 #33A921

square

#2177A9 #9721A9 #A95321 #33A921

split-complementary

#2177A9 #A92133 #A99721

monochromatic

#0D2F43 #175376 #2177A9 #319AD7 #64B3E1

Accessibility & contrast

On white

4.91

#2177A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#2177A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2177A9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2177A9	#FFFFFF	#000000	##FFFFFF
##2177A9	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F78AB

Deuteranopia (green-blind)

#4D6BA8

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2177a9;
/* rgb */ color: rgb(33, 119, 169);
/* oklch */ color: oklch(54.4% 0.111 239.8);

Tailwind

colors: {
  custom: {
    50: '#739ec3',
    500: '#2177a9',
    950: '#000000',
  },
}

SCSS

$custom: #2177a9;
$custom-light: #739ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2177a9",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 169
  },
  "hsl": {
    "h": 202.059,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.54351,
    "c": 0.11056,
    "h": 239.8
  },
  "luminance": 0.16382
}

Semantic roles & 50–950 ramp

primary

#2177A9

secondary

#C68560

accent

#7D3EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2177A9

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

Preview Lab → · Contrast checker → · Palette generator →