#197E9B#197E9B

#197E9B is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.2% C 0.096 H 222.9°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#197E9B
RGB	rgb(25, 126, 155)
HSL	hsl(193, 72%, 35%)
HSV	hsv(193, 84%, 61%)
CMYK	cmyk(83.9%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(48.88, -17.00, -23.37)
CIE-LCH	lch(48.88, 28.90, 233.97°)
OKLab	oklab(55.22% -0.0705 -0.0656)
OKLCH	oklch(55.22% 0.096 222.9)
XYZ	xyz(13.7757, 17.4932, 33.6545)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197E9B #9B3619

analogous

#199B77 #197E9B #193D9B

triadic

#197E9B #9B197E #7E9B19

tetradic

#197E9B #77199B #9B3619 #3D9B19

square

#197E9B #77199B #9B3619 #3D9B19

split-complementary

#197E9B #9B193D #9B7719

monochromatic

#082832 #115366 #197E9B #22A9D0 #4CC1E2

Accessibility & contrast

On white

4.67

#197E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#197E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #197E9B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197E9B	#FFFFFF	#000000	##FFFFFF
##197E9B	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9C

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #197e9b;
/* rgb */ color: rgb(25, 126, 155);
/* oklch */ color: oklch(55.2% 0.096 222.9);

Tailwind

colors: {
  custom: {
    50: '#6fa3b8',
    500: '#197e9b',
    950: '#000000',
  },
}

SCSS

$custom: #197e9b;
$custom-light: #6fa3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#197e9b",
  "rgb": {
    "r": 25,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 193.385,
    "s": 72.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.09628,
    "h": 222.9
  },
  "luminance": 0.17495
}

Semantic roles & 50–950 ramp

primary

#197E9B

secondary

#C4674C

accent

#6139EF

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #197E9B

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

Preview Lab → · Contrast checker → · Palette generator →