#289EB4#289EB4

#289EB4 is a light, moderate teal. Relative luminance 0.282; OKLCH L 64.6% C 0.104 H 213.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#289EB4
RGB	rgb(40, 158, 180)
HSL	hsl(189, 64%, 43%)
HSV	hsv(189, 78%, 71%)
CMYK	cmyk(77.8%, 12.2%, 0%, 29.4%)
CIE-LAB	lab(60.07, -24.00, -20.52)
CIE-LCH	lch(60.07, 31.58, 220.54°)
OKLab	oklab(64.63% -0.0865 -0.0572)
OKLCH	oklch(64.63% 0.104 213.5)
XYZ	xyz(21.3366, 28.1975, 47.4893)
Luminance	0.2820 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289EB4 #B43E28

analogous

#28B484 #289EB4 #2858B4

triadic

#289EB4 #B4289E #9EB428

tetradic

#289EB4 #8428B4 #B43E28 #58B428

square

#289EB4 #8428B4 #B43E28 #58B428

split-complementary

#289EB4 #B42858 #B48428

monochromatic

#124650 #1D7282 #289EB4 #44BFD5 #76D0E1

Accessibility & contrast

On white

3.16

#289EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#289EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EB4

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289EB4	#FFFFFF	#000000	##000000
##289EB4	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B5

Deuteranopia (green-blind)

#7B8BB4

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #289eb4;
/* rgb */ color: rgb(40, 158, 180);
/* oklch */ color: oklch(64.6% 0.104 213.5);

Tailwind

colors: {
  custom: {
    50: '#79bbca',
    500: '#289eb4',
    950: '#000000',
  },
}

SCSS

$custom: #289eb4;
$custom-light: #79bbca;
$custom-dark: #000000;

JSON

{
  "hex": "#289eb4",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 189.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.64626,
    "c": 0.10371,
    "h": 213.5
  },
  "luminance": 0.282
}

Semantic roles & 50–950 ramp

primary

#289EB4

secondary

#C87E70

accent

#5B41E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289EB4

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

Preview Lab → · Contrast checker → · Palette generator →