#238CB3#238CB3

#238CB3 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.108 H 228.5°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#238CB3
RGB	rgb(35, 140, 179)
HSL	hsl(196, 67%, 42%)
HSV	hsv(196, 80%, 70%)
CMYK	cmyk(80.4%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(54.41, -15.29, -28.67)
CIE-LCH	lch(54.41, 32.49, 241.93°)
OKLab	oklab(60.05% -0.0713 -0.0806)
OKLCH	oklch(60.05% 0.108 228.5)
XYZ	xyz(18.2046, 22.3659, 45.9967)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238CB3 #B34A23

analogous

#23B392 #238CB3 #2344B3

triadic

#238CB3 #B3238C #8CB323

tetradic

#238CB3 #9223B3 #B34A23 #44B323

square

#238CB3 #9223B3 #B34A23 #44B323

split-complementary

#238CB3 #B32344 #B39223

monochromatic

#0F3C4D #196480 #238CB3 #3BAED9 #6EC3E3

Accessibility & contrast

On white

3.84

#238CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#238CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238CB3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238CB3	#FFFFFF	#000000	##000000
##238CB3	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB5

Deuteranopia (green-blind)

#657CB2

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #238cb3;
/* rgb */ color: rgb(35, 140, 179);
/* oklch */ color: oklch(60.0% 0.108 228.5);

Tailwind

colors: {
  custom: {
    50: '#76adca',
    500: '#238cb3',
    950: '#000000',
  },
}

SCSS

$custom: #238cb3;
$custom-light: #76adca;
$custom-dark: #000000;

JSON

{
  "hex": "#238cb3",
  "rgb": {
    "r": 35,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 196.25,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60045,
    "c": 0.10761,
    "h": 228.5
  },
  "luminance": 0.22368
}

Semantic roles & 50–950 ramp

primary

#238CB3

secondary

#C98369

accent

#6C3EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238CB3

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

Preview Lab → · Contrast checker → · Palette generator →