#1997B3#1997B3

#1997B3 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.108 H 218.0°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#1997B3
RGB	rgb(25, 151, 179)
HSL	hsl(191, 75%, 40%)
HSV	hsv(191, 86%, 70%)
CMYK	cmyk(86%, 15.6%, 0%, 29.8%)
CIE-LAB	lab(57.65, -22.04, -23.68)
CIE-LCH	lch(57.65, 32.35, 227.05°)
OKLab	oklab(62.6% -0.0848 -0.0663)
OKLCH	oklch(62.6% 0.108 218)
XYZ	xyz(19.6007, 25.5920, 46.5458)
Luminance	0.2560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1997B3 #B33519

analogous

#19B382 #1997B3 #194AB3

triadic

#1997B3 #B31997 #97B319

tetradic

#1997B3 #8219B3 #B33519 #4AB319

square

#1997B3 #8219B3 #B33519 #4AB319

split-complementary

#1997B3 #B3194A #B38219

monochromatic

#0A3C48 #126A7D #1997B3 #28BFE1 #5ECFE8

Accessibility & contrast

On white

3.43

#1997B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#1997B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1997B3

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1997B3	#FFFFFF	#000000	##000000
##1997B3	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8592B5

Deuteranopia (green-blind)

#7284B3

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1997b3;
/* rgb */ color: rgb(25, 151, 179);
/* oklch */ color: oklch(62.6% 0.108 218.0);

Tailwind

colors: {
  custom: {
    50: '#75b5c9',
    500: '#1997b3',
    950: '#000000',
  },
}

SCSS

$custom: #1997b3;
$custom-light: #75b5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1997b3",
  "rgb": {
    "r": 25,
    "g": 151,
    "b": 179
  },
  "hsl": {
    "h": 190.909,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.62599,
    "c": 0.10763,
    "h": 218
  },
  "luminance": 0.25595
}

Semantic roles & 50–950 ramp

primary

#1997B3

secondary

#CC705B

accent

#5836F2

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1997B3

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

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