#1897B4#1897B4

#1897B4 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.108 H 218.7°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#1897B4
RGB	rgb(24, 151, 180)
HSL	hsl(191, 76%, 40%)
HSV	hsv(191, 87%, 71%)
CMYK	cmyk(86.7%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(57.67, -21.77, -24.21)
CIE-LCH	lch(57.67, 32.56, 228.03°)
OKLab	oklab(62.63% -0.0846 -0.0678)
OKLCH	oklch(62.63% 0.108 218.7)
XYZ	xyz(19.6780, 25.6201, 47.0792)
Luminance	0.2562 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1897B4 #B43518

analogous

#18B483 #1897B4 #1849B4

triadic

#1897B4 #B41897 #97B418

tetradic

#1897B4 #8318B4 #B43518 #49B418

square

#1897B4 #8318B4 #B43518 #49B418

split-complementary

#1897B4 #B41849 #B48318

monochromatic

#0A3C48 #116A7E #1897B4 #27BFE2 #5DCFE9

Accessibility & contrast

On white

3.43

#1897B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#1897B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1897B4

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1897B4	#FFFFFF	#000000	##000000
##1897B4	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)

#8593B6

Deuteranopia (green-blind)

#7184B4

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1897b4;
/* rgb */ color: rgb(24, 151, 180);
/* oklch */ color: oklch(62.6% 0.108 218.7);

Tailwind

colors: {
  custom: {
    50: '#75b5ca',
    500: '#1897b4',
    950: '#000000',
  },
}

SCSS

$custom: #1897b4;
$custom-light: #75b5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1897b4",
  "rgb": {
    "r": 24,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 191.154,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.6263,
    "c": 0.10845,
    "h": 218.7
  },
  "luminance": 0.25623
}

Semantic roles & 50–950 ramp

primary

#1897B4

secondary

#CD705B

accent

#5835F3

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1897B4

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

Preview Lab → · Contrast checker → · Palette generator →