#2789A4#2789A4

#2789A4 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.7% C 0.096 H 220.7°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#2789A4
RGB	rgb(39, 137, 164)
HSL	hsl(193, 62%, 40%)
HSV	hsv(193, 76%, 64%)
CMYK	cmyk(76.2%, 16.5%, 0%, 35.7%)
CIE-LAB	lab(52.95, -18.39, -22.30)
CIE-LCH	lch(52.95, 28.90, 230.49°)
OKLab	oklab(58.69% -0.0725 -0.0624)
OKLCH	oklch(58.69% 0.096 220.7)
XYZ	xyz(16.4804, 21.0010, 38.2998)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2789A4 #A44227

analogous

#27A481 #2789A4 #274BA4

triadic

#2789A4 #A42789 #89A427

tetradic

#2789A4 #8127A4 #A44227 #4BA427

square

#2789A4 #8127A4 #A44227 #4BA427

split-complementary

#2789A4 #A4274B #A48127

monochromatic

#0F3641 #1B6073 #2789A4 #38AFD0 #6AC3DC

Accessibility & contrast

On white

4.04

#2789A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#2789A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2789A4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2789A4	#FFFFFF	#000000	##000000
##2789A4	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7985A5

Deuteranopia (green-blind)

#6879A4

Tritanopia (blue-blind)

#009292

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2789a4;
/* rgb */ color: rgb(39, 137, 164);
/* oklch */ color: oklch(58.7% 0.096 220.7);

Tailwind

colors: {
  custom: {
    50: '#75abbf',
    500: '#2789a4',
    950: '#000000',
  },
}

SCSS

$custom: #2789a4;
$custom-light: #75abbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2789a4",
  "rgb": {
    "r": 39,
    "g": 137,
    "b": 164
  },
  "hsl": {
    "h": 192.96,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.58692,
    "c": 0.09565,
    "h": 220.7
  },
  "luminance": 0.21003
}

Semantic roles & 50–950 ramp

primary

#2789A4

secondary

#C27965

accent

#6643E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2789A4

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

Preview Lab → · Contrast checker → · Palette generator →