#238DB4#238DB4

#238DB4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.108 H 228.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#238DB4
RGB	rgb(35, 141, 180)
HSL	hsl(196, 67%, 42%)
HSV	hsv(196, 81%, 71%)
CMYK	cmyk(80.6%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(54.76, -15.49, -28.70)
CIE-LCH	lch(54.76, 32.61, 241.64°)
OKLab	oklab(60.34% -0.0719 -0.0807)
OKLCH	oklch(60.34% 0.108 228.3)
XYZ	xyz(18.4528, 22.7001, 46.5802)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238DB4 #B44A23

analogous

#23B493 #238DB4 #2344B4

triadic

#238DB4 #B4238D #8DB423

tetradic

#238DB4 #9323B4 #B44A23 #44B423

square

#238DB4 #9323B4 #B44A23 #44B423

split-complementary

#238DB4 #B42344 #B49323

monochromatic

#0F3D4E #196581 #238DB4 #3BAFD9 #6EC4E3

Accessibility & contrast

On white

3.79

#238DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#238DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238DB4

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238DB4	#FFFFFF	#000000	##000000
##238DB4	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788BB6

Deuteranopia (green-blind)

#657DB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #238db4;
/* rgb */ color: rgb(35, 141, 180);
/* oklch */ color: oklch(60.3% 0.108 228.3);

Tailwind

colors: {
  custom: {
    50: '#76aeca',
    500: '#238db4',
    950: '#000000',
  },
}

SCSS

$custom: #238db4;
$custom-light: #76aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#238db4",
  "rgb": {
    "r": 35,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 196.138,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.60339,
    "c": 0.10806,
    "h": 228.3
  },
  "luminance": 0.22702
}

Semantic roles & 50–950 ramp

primary

#238DB4

secondary

#C98369

accent

#6C3DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238DB4

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

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