#237EA9#237EA9

#237EA9 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.105 H 234.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#237EA9
RGB	rgb(35, 126, 169)
HSL	hsl(199, 66%, 40%)
HSV	hsv(199, 79%, 66%)
CMYK	cmyk(79.3%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(49.67, -10.98, -30.29)
CIE-LCH	lch(49.67, 32.22, 250.06°)
OKLab	oklab(56.11% -0.0615 -0.0854)
OKLCH	oklch(56.11% 0.105 234.3)
XYZ	xyz(15.3125, 18.1417, 40.2231)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EA9 #A94E23

analogous

#23A991 #237EA9 #233BA9

triadic

#237EA9 #A9237E #7EA923

tetradic

#237EA9 #9123A9 #A94E23 #3BA923

square

#237EA9 #9123A9 #A94E23 #3BA923

split-complementary

#237EA9 #A9233B #A99123

monochromatic

#0E3244 #195876 #237EA9 #34A1D5 #67B9DF

Accessibility & contrast

On white

4.54

#237EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#237EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EA9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EA9	#FFFFFF	#000000	##000000
##237EA9	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAB

Deuteranopia (green-blind)

#5771A8

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237ea9;
/* rgb */ color: rgb(35, 126, 169);
/* oklch */ color: oklch(56.1% 0.105 234.3);

Tailwind

colors: {
  custom: {
    50: '#74a3c2',
    500: '#237ea9',
    950: '#000000',
  },
}

SCSS

$custom: #237ea9;
$custom-light: #74a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#237ea9",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 199.254,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.56111,
    "c": 0.10526,
    "h": 234.3
  },
  "luminance": 0.18144
}

Semantic roles & 50–950 ramp

primary

#237EA9

secondary

#C58263

accent

#763FE9

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237EA9

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

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