#237EAF#237EAF

#237EAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.111 H 237.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#237EAF
RGB	rgb(35, 126, 175)
HSL	hsl(201, 67%, 41%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(80%, 28%, 0%, 31.4%)
CIE-LAB	lab(49.94, -8.81, -33.33)
CIE-LCH	lch(49.94, 34.47, 255.20°)
OKLab	oklab(56.42% -0.0594 -0.0942)
OKLCH	oklch(56.42% 0.111 237.8)
XYZ	xyz(15.8888, 18.3722, 43.2579)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EAF #AF5423

analogous

#23AF9A #237EAF #2338AF

triadic

#237EAF #AF237E #7EAF23

tetradic

#237EAF #9A23AF #AF5423 #38AF23

square

#237EAF #9A23AF #AF5423 #38AF23

split-complementary

#237EAF #AF2338 #AF9A23

monochromatic

#0F3549 #19597C #237EAF #389FD7 #6BB8E1

Accessibility & contrast

On white

4.49

#237EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#237EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EAF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EAF	#FFFFFF	#000000	##000000
##237EAF	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB1

Deuteranopia (green-blind)

#5471AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #237eaf;
/* rgb */ color: rgb(35, 126, 175);
/* oklch */ color: oklch(56.4% 0.111 237.8);

Tailwind

colors: {
  custom: {
    50: '#75a3c7',
    500: '#237eaf',
    950: '#000000',
  },
}

SCSS

$custom: #237eaf;
$custom-light: #75a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#237eaf",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 201,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.56423,
    "c": 0.11142,
    "h": 237.8
  },
  "luminance": 0.18374
}

Semantic roles & 50–950 ramp

primary

#237EAF

secondary

#C78866

accent

#7A3EEA

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #237EAF

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

Preview Lab → · Contrast checker → · Palette generator →