#177BA1#177BA1

#177BA1 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.103 H 230.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#177BA1
RGB	rgb(23, 123, 161)
HSL	hsl(197, 75%, 36%)
HSV	hsv(197, 86%, 63%)
CMYK	cmyk(85.7%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(48.16, -13.33, -27.99)
CIE-LCH	lch(48.16, 31.00, 244.54°)
OKLab	oklab(54.73% -0.0659 -0.0789)
OKLCH	oklch(54.73% 0.103 230.1)
XYZ	xyz(13.8667, 16.9195, 36.2462)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177BA1 #A13D17

analogous

#17A182 #177BA1 #1736A1

triadic

#177BA1 #A1177B #7BA117

tetradic

#177BA1 #8217A1 #A13D17 #36A117

square

#177BA1 #8217A1 #A13D17 #36A117

split-complementary

#177BA1 #A11736 #A18217

monochromatic

#082936 #0F526B #177BA1 #1FA4D7 #4DBCE6

Accessibility & contrast

On white

4.79

#177BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#177BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177BA1

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177BA1	#FFFFFF	#000000	##FFFFFF
##177BA1	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A3

Deuteranopia (green-blind)

#566DA0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #177ba1;
/* rgb */ color: rgb(23, 123, 161);
/* oklch */ color: oklch(54.7% 0.103 230.1);

Tailwind

colors: {
  custom: {
    50: '#6fa1bd',
    500: '#177ba1',
    950: '#000000',
  },
}

SCSS

$custom: #177ba1;
$custom-light: #6fa1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#177ba1",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 196.522,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54726,
    "c": 0.10283,
    "h": 230.1
  },
  "luminance": 0.16921
}

Semantic roles & 50–950 ramp

primary

#177BA1

secondary

#C76E4C

accent

#6A36F2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #177BA1

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

Preview Lab → · Contrast checker → · Palette generator →