#1997B4#1997B4

#1997B4 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.108 H 218.8°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#1997B4
RGB	rgb(25, 151, 180)
HSL	hsl(191, 76%, 40%)
HSV	hsv(191, 86%, 71%)
CMYK	cmyk(86.1%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(57.69, -21.70, -24.19)
CIE-LCH	lch(57.69, 32.50, 228.10°)
OKLab	oklab(62.64% -0.0844 -0.0678)
OKLCH	oklch(62.64% 0.108 218.8)
XYZ	xyz(19.7022, 25.6326, 47.0803)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1997B4 #B43619

analogous

#19B484 #1997B4 #1949B4

triadic

#1997B4 #B41997 #97B419

tetradic

#1997B4 #8419B4 #B43619 #49B419

square

#1997B4 #8419B4 #B43619 #49B419

split-complementary

#1997B4 #B41949 #B48419

monochromatic

#0A3D49 #126A7E #1997B4 #29BFE1 #5FCFE9

Accessibility & contrast

On white

3.43

#1997B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#1997B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1997B4

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1997B4	#FFFFFF	#000000	##000000
##1997B4	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8593B6

Deuteranopia (green-blind)

#7184B4

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1997b4;
/* rgb */ color: rgb(25, 151, 180);
/* oklch */ color: oklch(62.6% 0.108 218.8);

Tailwind

colors: {
  custom: {
    50: '#75b5ca',
    500: '#1997b4',
    950: '#000000',
  },
}

SCSS

$custom: #1997b4;
$custom-light: #75b5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1997b4",
  "rgb": {
    "r": 25,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 191.226,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.62643,
    "c": 0.10822,
    "h": 218.8
  },
  "luminance": 0.25635
}

Semantic roles & 50–950 ramp

primary

#1997B4

secondary

#CD715C

accent

#5936F2

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1997B4

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

Preview Lab → · Contrast checker → · Palette generator →