#237FA8#237FA8

#237FA8 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.3% C 0.104 H 232.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#237FA8
RGB	rgb(35, 127, 168)
HSL	hsl(198, 66%, 40%)
HSV	hsv(198, 79%, 66%)
CMYK	cmyk(79.2%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(49.93, -11.92, -29.29)
CIE-LCH	lch(49.93, 31.62, 247.87°)
OKLab	oklab(56.31% -0.0628 -0.0825)
OKLCH	oklch(56.31% 0.104 232.7)
XYZ	xyz(15.3475, 18.3614, 39.7734)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237FA8 #A84C23

analogous

#23A88E #237FA8 #233DA8

triadic

#237FA8 #A8237F #7FA823

tetradic

#237FA8 #8E23A8 #A84C23 #3DA823

square

#237FA8 #8E23A8 #A84C23 #3DA823

split-complementary

#237FA8 #A8233D #A88E23

monochromatic

#0E3243 #185975 #237FA8 #34A3D5 #66BADF

Accessibility & contrast

On white

4.49

#237FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#237FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237FA8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237FA8	#FFFFFF	#000000	##000000
##237FA8	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)

#6B7EAA

Deuteranopia (green-blind)

#5971A7

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #237fa8;
/* rgb */ color: rgb(35, 127, 168);
/* oklch */ color: oklch(56.3% 0.104 232.7);

Tailwind

colors: {
  custom: {
    50: '#73a4c2',
    500: '#237fa8',
    950: '#000000',
  },
}

SCSS

$custom: #237fa8;
$custom-light: #73a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#237fa8",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 198.496,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.56307,
    "c": 0.10373,
    "h": 232.7
  },
  "luminance": 0.18363
}

Semantic roles & 50–950 ramp

primary

#237FA8

secondary

#C58062

accent

#733FE8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237FA8

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

Preview Lab → · Contrast checker → · Palette generator →