#2389B3#2389B3

#2389B3 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.109 H 231.1°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2389B3
RGB	rgb(35, 137, 179)
HSL	hsl(198, 67%, 42%)
HSV	hsv(198, 80%, 70%)
CMYK	cmyk(80.4%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(53.49, -13.63, -30.09)
CIE-LCH	lch(53.49, 33.03, 245.64°)
OKLab	oklab(59.31% -0.0684 -0.0848)
OKLCH	oklch(59.31% 0.109 231.1)
XYZ	xyz(17.7722, 21.5011, 45.8525)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2389B3 #B34D23

analogous

#23B395 #2389B3 #2341B3

triadic

#2389B3 #B32389 #89B323

tetradic

#2389B3 #9523B3 #B34D23 #41B323

square

#2389B3 #9523B3 #B34D23 #41B323

split-complementary

#2389B3 #B32341 #B39523

monochromatic

#0F3B4D #196280 #2389B3 #3BABD9 #6EC1E3

Accessibility & contrast

On white

3.96

#2389B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#2389B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2389B3

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2389B3	#FFFFFF	#000000	##000000
##2389B3	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)

#7487B5

Deuteranopia (green-blind)

#617AB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2389b3;
/* rgb */ color: rgb(35, 137, 179);
/* oklch */ color: oklch(59.3% 0.109 231.1);

Tailwind

colors: {
  custom: {
    50: '#76abca',
    500: '#2389b3',
    950: '#000000',
  },
}

SCSS

$custom: #2389b3;
$custom-light: #76abca;
$custom-dark: #000000;

JSON

{
  "hex": "#2389b3",
  "rgb": {
    "r": 35,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 197.5,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5931,
    "c": 0.10894,
    "h": 231.1
  },
  "luminance": 0.21503
}

Semantic roles & 50–950 ramp

primary

#2389B3

secondary

#C98569

accent

#703EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2389B3

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

Preview Lab → · Contrast checker → · Palette generator →