#238BB4#238BB4

#238BB4 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.109 H 230.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#238BB4
RGB	rgb(35, 139, 180)
HSL	hsl(197, 67%, 42%)
HSV	hsv(197, 81%, 71%)
CMYK	cmyk(80.6%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.15, -14.38, -29.65)
CIE-LCH	lch(54.15, 32.95, 244.12°)
OKLab	oklab(59.85% -0.07 -0.0835)
OKLCH	oklch(59.85% 0.109 230)
XYZ	xyz(18.1606, 22.1156, 46.4828)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238BB4 #B44C23

analogous

#23B495 #238BB4 #2342B4

triadic

#238BB4 #B4238B #8BB423

tetradic

#238BB4 #9523B4 #B44C23 #42B423

square

#238BB4 #9523B4 #B44C23 #42B423

split-complementary

#238BB4 #B42342 #B49523

monochromatic

#0F3C4E #196381 #238BB4 #3BACD9 #6EC2E3

Accessibility & contrast

On white

3.87

#238BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#238BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238BB4

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238BB4	#FFFFFF	#000000	##000000
##238BB4	1.00	3.87	5.42	5.42
#FFFFFF	3.87	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)

#7689B6

Deuteranopia (green-blind)

#637CB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238bb4;
/* rgb */ color: rgb(35, 139, 180);
/* oklch */ color: oklch(59.8% 0.109 230.0);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#238bb4',
    950: '#000000',
  },
}

SCSS

$custom: #238bb4;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#238bb4",
  "rgb": {
    "r": 35,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 196.966,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.59849,
    "c": 0.1089,
    "h": 230
  },
  "luminance": 0.22118
}

Semantic roles & 50–950 ramp

primary

#238BB4

secondary

#C98569

accent

#6E3DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238BB4

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

Preview Lab → · Contrast checker → · Palette generator →