#238BB3#238BB3

#238BB3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.108 H 229.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#238BB3
RGB	rgb(35, 139, 179)
HSL	hsl(197, 67%, 42%)
HSV	hsv(197, 80%, 70%)
CMYK	cmyk(80.4%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(54.11, -14.74, -29.14)
CIE-LCH	lch(54.11, 32.66, 243.17°)
OKLab	oklab(59.8% -0.0703 -0.082)
OKLCH	oklch(59.8% 0.108 229.4)
XYZ	xyz(18.0591, 22.0750, 45.9482)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238BB3 #B34B23

analogous

#23B393 #238BB3 #2343B3

triadic

#238BB3 #B3238B #8BB323

tetradic

#238BB3 #9323B3 #B34B23 #43B323

square

#238BB3 #9323B3 #B34B23 #43B323

split-complementary

#238BB3 #B32343 #B39323

monochromatic

#0F3B4D #196380 #238BB3 #3BADD9 #6EC2E3

Accessibility & contrast

On white

3.88

#238BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#238BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238BB3

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238BB3	#FFFFFF	#000000	##000000
##238BB3	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238bb3;
/* rgb */ color: rgb(35, 139, 179);
/* oklch */ color: oklch(59.8% 0.108 229.4);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#238bb3',
    950: '#000000',
  },
}

SCSS

$custom: #238bb3;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#238bb3",
  "rgb": {
    "r": 35,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 196.667,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.598,
    "c": 0.10803,
    "h": 229.4
  },
  "luminance": 0.22077
}

Semantic roles & 50–950 ramp

primary

#238BB3

secondary

#C98469

accent

#6E3EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238BB3

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

Preview Lab → · Contrast checker → · Palette generator →