#2789B2#2789B2

#2789B2 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.107 H 231.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#2789B2
RGB	rgb(39, 137, 178)
HSL	hsl(198, 64%, 43%)
HSV	hsv(198, 78%, 70%)
CMYK	cmyk(78.1%, 23%, 0%, 30.2%)
CIE-LAB	lab(53.53, -13.55, -29.46)
CIE-LCH	lch(53.53, 32.43, 245.29°)
OKLab	oklab(59.35% -0.0672 -0.0829)
OKLCH	oklch(59.35% 0.107 231)
XYZ	xyz(17.8150, 21.5348, 45.3286)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2789B2 #B25027

analogous

#27B296 #2789B2 #2743B2

triadic

#2789B2 #B22789 #89B227

tetradic

#2789B2 #9627B2 #B25027 #43B227

square

#2789B2 #9627B2 #B25027 #43B227

split-complementary

#2789B2 #B22743 #B29627

monochromatic

#113C4E #1C6280 #2789B2 #41AAD5 #73C0E0

Accessibility & contrast

On white

3.96

#2789B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#2789B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2789B2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2789B2	#FFFFFF	#000000	##000000
##2789B2	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2789b2;
/* rgb */ color: rgb(39, 137, 178);
/* oklch */ color: oklch(59.3% 0.107 231.0);

Tailwind

colors: {
  custom: {
    50: '#77abc9',
    500: '#2789b2',
    950: '#000000',
  },
}

SCSS

$custom: #2789b2;
$custom-light: #77abc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2789b2",
  "rgb": {
    "r": 39,
    "g": 137,
    "b": 178
  },
  "hsl": {
    "h": 197.698,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.59348,
    "c": 0.1067,
    "h": 231
  },
  "luminance": 0.21537
}

Semantic roles & 50–950 ramp

primary

#2789B2

secondary

#C8886D

accent

#7241E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2789B2

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

Preview Lab → · Contrast checker → · Palette generator →