#238AB3#238AB3

#238AB3 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.108 H 230.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#238AB3
RGB	rgb(35, 138, 179)
HSL	hsl(197, 67%, 42%)
HSV	hsv(197, 80%, 70%)
CMYK	cmyk(80.4%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(53.80, -14.18, -29.62)
CIE-LCH	lch(53.80, 32.84, 244.41°)
OKLab	oklab(59.56% -0.0694 -0.0834)
OKLCH	oklch(59.56% 0.108 230.2)
XYZ	xyz(17.9150, 21.7867, 45.9001)
Luminance	0.2179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238AB3 #B34C23

analogous

#23B394 #238AB3 #2342B3

triadic

#238AB3 #B3238A #8AB323

tetradic

#238AB3 #9423B3 #B34C23 #42B323

square

#238AB3 #9423B3 #B34C23 #42B323

split-complementary

#238AB3 #B32342 #B39423

monochromatic

#0F3B4D #196380 #238AB3 #3BACD9 #6EC1E3

Accessibility & contrast

On white

3.92

#238AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#238AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238AB3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238AB3	#FFFFFF	#000000	##000000
##238AB3	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B5

Deuteranopia (green-blind)

#627BB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238ab3;
/* rgb */ color: rgb(35, 138, 179);
/* oklch */ color: oklch(59.6% 0.108 230.2);

Tailwind

colors: {
  custom: {
    50: '#76acca',
    500: '#238ab3',
    950: '#000000',
  },
}

SCSS

$custom: #238ab3;
$custom-light: #76acca;
$custom-dark: #000000;

JSON

{
  "hex": "#238ab3",
  "rgb": {
    "r": 35,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 197.083,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59555,
    "c": 0.10847,
    "h": 230.2
  },
  "luminance": 0.21789
}

Semantic roles & 50–950 ramp

primary

#238AB3

secondary

#C98469

accent

#6F3EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238AB3

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

Preview Lab → · Contrast checker → · Palette generator →