#237BA7#237BA7

#237BA7 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.105 H 235.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#237BA7
RGB	rgb(35, 123, 167)
HSL	hsl(200, 65%, 40%)
HSV	hsv(200, 79%, 65%)
CMYK	cmyk(79%, 26.3%, 0%, 34.5%)
CIE-LAB	lab(48.65, -9.98, -30.71)
CIE-LCH	lch(48.65, 32.29, 251.99°)
OKLab	oklab(55.27% -0.0593 -0.0867)
OKLCH	oklch(55.27% 0.105 235.6)
XYZ	xyz(14.7484, 17.3115, 39.1159)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237BA7 #A74F23

analogous

#23A791 #237BA7 #2339A7

triadic

#237BA7 #A7237B #7BA723

tetradic

#237BA7 #9123A7 #A74F23 #39A723

square

#237BA7 #9123A7 #A74F23 #39A723

split-complementary

#237BA7 #A72339 #A79123

monochromatic

#0E3042 #185674 #237BA7 #339ED4 #66B6DF

Accessibility & contrast

On white

4.71

#237BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#237BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237BA7

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237BA7	#FFFFFF	#000000	##FFFFFF
##237BA7	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA9

Deuteranopia (green-blind)

#546EA6

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237ba7;
/* rgb */ color: rgb(35, 123, 167);
/* oklch */ color: oklch(55.3% 0.105 235.6);

Tailwind

colors: {
  custom: {
    50: '#73a1c1',
    500: '#237ba7',
    950: '#000000',
  },
}

SCSS

$custom: #237ba7;
$custom-light: #73a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#237ba7",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 167
  },
  "hsl": {
    "h": 200,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55271,
    "c": 0.10503,
    "h": 235.6
  },
  "luminance": 0.17313
}

Semantic roles & 50–950 ramp

primary

#237BA7

secondary

#C48261

accent

#783FE8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237BA7

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

Preview Lab → · Contrast checker → · Palette generator →