#1899B4#1899B4

#1899B4 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.1% C 0.108 H 217.0°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#1899B4
RGB	rgb(24, 153, 180)
HSL	hsl(190, 76%, 40%)
HSV	hsv(190, 87%, 71%)
CMYK	cmyk(86.7%, 15%, 0%, 29.4%)
CIE-LAB	lab(58.29, -22.82, -23.26)
CIE-LCH	lch(58.29, 32.58, 225.56°)
OKLab	oklab(63.13% -0.0865 -0.0651)
OKLCH	oklch(63.13% 0.108 217)
XYZ	xyz(20.0026, 26.2693, 47.1874)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1899B4 #B43318

analogous

#18B481 #1899B4 #184BB4

triadic

#1899B4 #B41899 #99B418

tetradic

#1899B4 #8118B4 #B43318 #4BB418

square

#1899B4 #8118B4 #B43318 #4BB418

split-complementary

#1899B4 #B4184B #B48118

monochromatic

#0A3D48 #116B7E #1899B4 #27C2E2 #5DD1E9

Accessibility & contrast

On white

3.36

#1899B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#1899B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1899B4

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1899B4	#FFFFFF	#000000	##000000
##1899B4	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B5

Deuteranopia (green-blind)

#7486B4

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #1899b4;
/* rgb */ color: rgb(24, 153, 180);
/* oklch */ color: oklch(63.1% 0.108 217.0);

Tailwind

colors: {
  custom: {
    50: '#75b7ca',
    500: '#1899b4',
    950: '#000000',
  },
}

SCSS

$custom: #1899b4;
$custom-light: #75b7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1899b4",
  "rgb": {
    "r": 24,
    "g": 153,
    "b": 180
  },
  "hsl": {
    "h": 190.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.63127,
    "c": 0.10826,
    "h": 217
  },
  "luminance": 0.26272
}

Semantic roles & 50–950 ramp

primary

#1899B4

secondary

#CD6E5B

accent

#5635F3

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1899B4

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

Preview Lab → · Contrast checker → · Palette generator →