#289EC9#289EC9

#289EC9 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.6% C 0.117 H 228.1°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#289EC9
RGB	rgb(40, 158, 201)
HSL	hsl(196, 67%, 47%)
HSV	hsv(196, 80%, 79%)
CMYK	cmyk(80.1%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(60.89, -16.96, -31.06)
CIE-LCH	lch(60.89, 35.39, 241.36°)
OKLab	oklab(65.56% -0.0783 -0.0873)
OKLCH	oklch(65.56% 0.117 228.1)
XYZ	xyz(23.6402, 29.1189, 59.6216)
Luminance	0.2912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289EC9 #C95328

analogous

#28C9A4 #289EC9 #284DC9

triadic

#289EC9 #C9289E #9EC928

tetradic

#289EC9 #A428C9 #C95328 #4DC928

square

#289EC9 #A428C9 #C95328 #4DC928

split-complementary

#289EC9 #C9284D #C9A428

monochromatic

#144E63 #1E7696 #289EC9 #52B7DD #85CDE7

Accessibility & contrast

On white

3.08

#289EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#289EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EC9

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289EC9	#FFFFFF	#000000	##000000
##289EC9	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879BCB

Deuteranopia (green-blind)

#728CC8

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #289ec9;
/* rgb */ color: rgb(40, 158, 201);
/* oklch */ color: oklch(65.6% 0.117 228.1);

Tailwind

colors: {
  custom: {
    50: '#7cbad9',
    500: '#289ec9',
    950: '#000000',
  },
}

SCSS

$custom: #289ec9;
$custom-light: #7cbad9;
$custom-dark: #000000;

JSON

{
  "hex": "#289ec9",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 196.025,
    "s": 66.805,
    "l": 47.255
  },
  "oklch": {
    "l": 0.65556,
    "c": 0.11733,
    "h": 228.1
  },
  "luminance": 0.29122
}

Semantic roles & 50–950 ramp

primary

#289EC9

secondary

#D0937D

accent

#6C3EEA

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #289EC9

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

Preview Lab → · Contrast checker → · Palette generator →