#237EB0#237EB0

#237EB0 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.112 H 238.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#237EB0
RGB	rgb(35, 126, 176)
HSL	hsl(201, 67%, 41%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(80.1%, 28.4%, 0%, 31%)
CIE-LAB	lab(49.99, -8.44, -33.83)
CIE-LCH	lch(49.99, 34.87, 255.99°)
OKLab	oklab(56.48% -0.0591 -0.0957)
OKLCH	oklch(56.48% 0.112 238.3)
XYZ	xyz(15.9873, 18.4117, 43.7771)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EB0 #B05523

analogous

#23B09C #237EB0 #2337B0

triadic

#237EB0 #B0237E #7EB023

tetradic

#237EB0 #9C23B0 #B05523 #37B023

square

#237EB0 #9C23B0 #B05523 #37B023

split-complementary

#237EB0 #B02337 #B09C23

monochromatic

#0F354A #19597D #237EB0 #399FD8 #6CB8E2

Accessibility & contrast

On white

4.48

#237EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#237EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EB0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EB0	#FFFFFF	#000000	##000000
##237EB0	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667EB2

Deuteranopia (green-blind)

#5371AF

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #237eb0;
/* rgb */ color: rgb(35, 126, 176);
/* oklch */ color: oklch(56.5% 0.112 238.3);

Tailwind

colors: {
  custom: {
    50: '#75a3c8',
    500: '#237eb0',
    950: '#000000',
  },
}

SCSS

$custom: #237eb0;
$custom-light: #75a3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#237eb0",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 176
  },
  "hsl": {
    "h": 201.277,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56476,
    "c": 0.11249,
    "h": 238.3
  },
  "luminance": 0.18414
}

Semantic roles & 50–950 ramp

primary

#237EB0

secondary

#C88967

accent

#7B3EEA

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #237EB0

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

Preview Lab → · Contrast checker → · Palette generator →