#2389B4#2389B4

#2389B4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.4% C 0.110 H 231.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#2389B4
RGB	rgb(35, 137, 180)
HSL	hsl(198, 67%, 42%)
HSV	hsv(198, 81%, 71%)
CMYK	cmyk(80.6%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(53.54, -13.27, -30.60)
CIE-LCH	lch(53.54, 33.35, 246.55°)
OKLab	oklab(59.36% -0.0681 -0.0862)
OKLCH	oklch(59.36% 0.11 231.7)
XYZ	xyz(17.8737, 21.5417, 46.3871)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2389B4 #B44E23

analogous

#23B497 #2389B4 #2341B4

triadic

#2389B4 #B42389 #89B423

tetradic

#2389B4 #9723B4 #B44E23 #41B423

square

#2389B4 #9723B4 #B44E23 #41B423

split-complementary

#2389B4 #B42341 #B49723

monochromatic

#0F3B4E #196281 #2389B4 #3BAAD9 #6EC0E3

Accessibility & contrast

On white

3.96

#2389B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#2389B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2389B4

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2389B4	#FFFFFF	#000000	##000000
##2389B4	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)

#7387B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2389b4;
/* rgb */ color: rgb(35, 137, 180);
/* oklch */ color: oklch(59.4% 0.110 231.7);

Tailwind

colors: {
  custom: {
    50: '#76abca',
    500: '#2389b4',
    950: '#000000',
  },
}

SCSS

$custom: #2389b4;
$custom-light: #76abca;
$custom-dark: #000000;

JSON

{
  "hex": "#2389b4",
  "rgb": {
    "r": 35,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 197.793,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5936,
    "c": 0.10985,
    "h": 231.7
  },
  "luminance": 0.21544
}

Semantic roles & 50–950 ramp

primary

#2389B4

secondary

#C98669

accent

#713DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2389B4

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

Preview Lab → · Contrast checker → · Palette generator →