#237EA6#237EA6

#237EA6 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.102 H 232.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#237EA6
RGB	rgb(35, 126, 166)
HSL	hsl(198, 65%, 39%)
HSV	hsv(198, 79%, 65%)
CMYK	cmyk(78.9%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(49.53, -12.06, -28.75)
CIE-LCH	lch(49.53, 31.18, 247.24°)
OKLab	oklab(55.96% -0.0626 -0.081)
OKLCH	oklch(55.96% 0.102 232.3)
XYZ	xyz(15.0341, 18.0304, 38.7568)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EA6 #A64B23

analogous

#23A68D #237EA6 #233CA6

triadic

#237EA6 #A6237E #7EA623

tetradic

#237EA6 #8D23A6 #A64B23 #3CA623

square

#237EA6 #8D23A6 #A64B23 #3CA623

split-complementary

#237EA6 #A6233C #A68D23

monochromatic

#0E3141 #185873 #237EA6 #32A3D4 #65B9DF

Accessibility & contrast

On white

4.56

#237EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#237EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EA6	#FFFFFF	#000000	##000000
##237EA6	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA8

Deuteranopia (green-blind)

#5970A5

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237ea6;
/* rgb */ color: rgb(35, 126, 166);
/* oklch */ color: oklch(56.0% 0.102 232.3);

Tailwind

colors: {
  custom: {
    50: '#73a3c0',
    500: '#237ea6',
    950: '#000000',
  },
}

SCSS

$custom: #237ea6;
$custom-light: #73a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#237ea6",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 198.321,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5596,
    "c": 0.10234,
    "h": 232.3
  },
  "luminance": 0.18032
}

Semantic roles & 50–950 ramp

primary

#237EA6

secondary

#C47F61

accent

#7340E8

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237EA6

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

Preview Lab → · Contrast checker → · Palette generator →