#2387B2#2387B2

#2387B2 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.8% C 0.109 H 232.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#2387B2
RGB	rgb(35, 135, 178)
HSL	hsl(198, 67%, 42%)
HSV	hsv(198, 80%, 70%)
CMYK	cmyk(80.3%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(52.84, -12.86, -30.54)
CIE-LCH	lch(52.84, 33.14, 247.16°)
OKLab	oklab(58.77% -0.0669 -0.0861)
OKLCH	oklch(58.77% 0.109 232.2)
XYZ	xyz(17.3897, 20.8975, 45.2279)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2387B2 #B24E23

analogous

#23B296 #2387B2 #2340B2

triadic

#2387B2 #B22387 #87B223

tetradic

#2387B2 #9623B2 #B24E23 #40B223

square

#2387B2 #9623B2 #B24E23 #40B223

split-complementary

#2387B2 #B22340 #B29623

monochromatic

#0F394C #19607F #2387B2 #3AA9D8 #6DBFE2

Accessibility & contrast

On white

4.05

#2387B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#2387B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2387B2

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2387B2	#FFFFFF	#000000	##000000
##2387B2	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B4

Deuteranopia (green-blind)

#5F78B1

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2387b2;
/* rgb */ color: rgb(35, 135, 178);
/* oklch */ color: oklch(58.8% 0.109 232.2);

Tailwind

colors: {
  custom: {
    50: '#76aac9',
    500: '#2387b2',
    950: '#000000',
  },
}

SCSS

$custom: #2387b2;
$custom-light: #76aac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2387b2",
  "rgb": {
    "r": 35,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 198.042,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.58772,
    "c": 0.10901,
    "h": 232.2
  },
  "luminance": 0.209
}

Semantic roles & 50–950 ramp

primary

#2387B2

secondary

#C98568

accent

#723EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2387B2

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

Preview Lab → · Contrast checker → · Palette generator →