#289AB1#289AB1

#289AB1 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.5% C 0.102 H 214.8°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#289AB1
RGB	rgb(40, 154, 177)
HSL	hsl(190, 63%, 43%)
HSV	hsv(190, 77%, 69%)
CMYK	cmyk(77.4%, 13%, 0%, 30.6%)
CIE-LAB	lab(58.73, -22.92, -20.87)
CIE-LCH	lch(58.73, 31.00, 222.33°)
OKLab	oklab(63.51% -0.0838 -0.0582)
OKLCH	oklch(63.51% 0.102 214.8)
XYZ	xyz(20.3631, 26.7342, 45.6734)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289AB1 #B13F28

analogous

#28B184 #289AB1 #2855B1

triadic

#289AB1 #B1289A #9AB128

tetradic

#289AB1 #8428B1 #B13F28 #55B128

square

#289AB1 #8428B1 #B13F28 #55B128

split-complementary

#289AB1 #B12855 #B18428

monochromatic

#11434D #1D6F7F #289AB1 #42BCD4 #74CDE0

Accessibility & contrast

On white

3.31

#289AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#289AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289AB1

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289AB1	#FFFFFF	#000000	##000000
##289AB1	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A95B2

Deuteranopia (green-blind)

#7787B1

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #289ab1;
/* rgb */ color: rgb(40, 154, 177);
/* oklch */ color: oklch(63.5% 0.102 214.8);

Tailwind

colors: {
  custom: {
    50: '#78b8c8',
    500: '#289ab1',
    950: '#000000',
  },
}

SCSS

$custom: #289ab1;
$custom-light: #78b8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#289ab1",
  "rgb": {
    "r": 40,
    "g": 154,
    "b": 177
  },
  "hsl": {
    "h": 190.073,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.6351,
    "c": 0.10204,
    "h": 214.8
  },
  "luminance": 0.26737
}

Semantic roles & 50–950 ramp

primary

#289AB1

secondary

#C77D6E

accent

#5D42E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #289AB1

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

Preview Lab → · Contrast checker → · Palette generator →