#2789B1#2789B1

#2789B1 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.106 H 230.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2789B1
RGB	rgb(39, 137, 177)
HSL	hsl(197, 64%, 42%)
HSV	hsv(197, 78%, 69%)
CMYK	cmyk(78%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(53.49, -13.90, -28.95)
CIE-LCH	lch(53.49, 32.12, 244.35°)
OKLab	oklab(59.3% -0.0675 -0.0814)
OKLCH	oklch(59.3% 0.106 230.3)
XYZ	xyz(17.7149, 21.4948, 44.8017)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2789B1 #B14F27

analogous

#27B194 #2789B1 #2744B1

triadic

#2789B1 #B12789 #89B127

tetradic

#2789B1 #9427B1 #B14F27 #44B127

square

#2789B1 #9427B1 #B14F27 #44B127

split-complementary

#2789B1 #B12744 #B19427

monochromatic

#113B4D #1C627F #2789B1 #40AAD5 #72C0E0

Accessibility & contrast

On white

3.96

#2789B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#2789B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2789B1

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2789B1	#FFFFFF	#000000	##000000
##2789B1	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7587B3

Deuteranopia (green-blind)

#627AB0

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2789b1;
/* rgb */ color: rgb(39, 137, 177);
/* oklch */ color: oklch(59.3% 0.106 230.3);

Tailwind

colors: {
  custom: {
    50: '#77abc8',
    500: '#2789b1',
    950: '#000000',
  },
}

SCSS

$custom: #2789b1;
$custom-light: #77abc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2789b1",
  "rgb": {
    "r": 39,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 197.391,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.59299,
    "c": 0.1058,
    "h": 230.3
  },
  "luminance": 0.21497
}

Semantic roles & 50–950 ramp

primary

#2789B1

secondary

#C7876D

accent

#7141E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2789B1

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

Preview Lab → · Contrast checker → · Palette generator →