#238BB1#238BB1

#238BB1 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.106 H 228.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#238BB1
RGB	rgb(35, 139, 177)
HSL	hsl(196, 67%, 42%)
HSV	hsv(196, 80%, 69%)
CMYK	cmyk(80.2%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.02, -15.44, -28.13)
CIE-LCH	lch(54.02, 32.09, 241.24°)
OKLab	oklab(59.7% -0.0711 -0.0791)
OKLCH	oklch(59.7% 0.106 228.1)
XYZ	xyz(17.8583, 21.9947, 44.8906)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238BB1 #B14923

analogous

#23B190 #238BB1 #2344B1

triadic

#238BB1 #B1238B #8BB123

tetradic

#238BB1 #9023B1 #B14923 #44B123

square

#238BB1 #9023B1 #B14923 #44B123

split-complementary

#238BB1 #B12344 #B19023

monochromatic

#0F3B4B #19637E #238BB1 #39ADD8 #6CC3E2

Accessibility & contrast

On white

3.89

#238BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#238BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238BB1

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238BB1	#FFFFFF	#000000	##000000
##238BB1	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238bb1;
/* rgb */ color: rgb(35, 139, 177);
/* oklch */ color: oklch(59.7% 0.106 228.1);

Tailwind

colors: {
  custom: {
    50: '#76adc8',
    500: '#238bb1',
    950: '#000000',
  },
}

SCSS

$custom: #238bb1;
$custom-light: #76adc8;
$custom-dark: #000000;

JSON

{
  "hex": "#238bb1",
  "rgb": {
    "r": 35,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 196.056,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59704,
    "c": 0.10632,
    "h": 228.1
  },
  "luminance": 0.21997
}

Semantic roles & 50–950 ramp

primary

#238BB1

secondary

#C88168

accent

#6C3EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #238BB1

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

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