#289CA5#289CA5

#289CA5 is a light, moderate teal. Relative luminance 0.269; OKLCH L 63.5% C 0.099 H 202.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#289CA5
RGB	rgb(40, 156, 165)
HSL	hsl(184, 61%, 40%)
HSV	hsv(184, 76%, 65%)
CMYK	cmyk(75.8%, 5.5%, 0%, 35.3%)
CIE-LAB	lab(58.92, -27.78, -13.78)
CIE-LCH	lch(58.92, 31.01, 206.38°)
OKLab	oklab(63.53% -0.0908 -0.0383)
OKLCH	oklch(63.53% 0.099 202.9)
XYZ	xyz(19.5520, 26.9423, 39.7599)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CA5 #A53128

analogous

#28A56F #289CA5 #285DA5

triadic

#289CA5 #A5289C #9CA528

tetradic

#289CA5 #6F28A5 #A53128 #5DA528

square

#289CA5 #6F28A5 #A53128 #5DA528

split-complementary

#289CA5 #A5285D #A56F28

monochromatic

#103F42 #1C6D74 #289CA5 #3BC5CF #6CD3DB

Accessibility & contrast

On white

3.29

#289CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#289CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CA5

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CA5	#FFFFFF	#000000	##000000
##289CA5	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F95A6

Deuteranopia (green-blind)

#7E88A5

Tritanopia (blue-blind)

#00A29E

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289ca5;
/* rgb */ color: rgb(40, 156, 165);
/* oklch */ color: oklch(63.5% 0.099 202.9);

Tailwind

colors: {
  custom: {
    50: '#77b9bf',
    500: '#289ca5',
    950: '#000000',
  },
}

SCSS

$custom: #289ca5;
$custom-light: #77b9bf;
$custom-dark: #000000;

JSON

{
  "hex": "#289ca5",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 165
  },
  "hsl": {
    "h": 184.32,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.63526,
    "c": 0.09859,
    "h": 202.9
  },
  "luminance": 0.26945
}

Semantic roles & 50–950 ramp

primary

#289CA5

secondary

#C26D67

accent

#4F44E4

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #289CA5

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

Preview Lab → · Contrast checker → · Palette generator →