#237FA7#237FA7

#237FA7 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.103 H 232.1°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#237FA7
RGB	rgb(35, 127, 167)
HSL	hsl(198, 65%, 40%)
HSV	hsv(198, 79%, 65%)
CMYK	cmyk(79%, 24%, 0%, 34.5%)
CIE-LAB	lab(49.89, -12.27, -28.78)
CIE-LCH	lch(49.89, 31.29, 246.91°)
OKLab	oklab(56.26% -0.0632 -0.0811)
OKLCH	oklch(56.26% 0.103 232.1)
XYZ	xyz(15.2547, 18.3242, 39.2847)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237FA7 #A74B23

analogous

#23A78D #237FA7 #233DA7

triadic

#237FA7 #A7237F #7FA723

tetradic

#237FA7 #8D23A7 #A74B23 #3DA723

square

#237FA7 #8D23A7 #A74B23 #3DA723

split-complementary

#237FA7 #A7233D #A78D23

monochromatic

#0E3242 #185974 #237FA7 #33A3D4 #66BADF

Accessibility & contrast

On white

4.50

#237FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#237FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237FA7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237FA7	#FFFFFF	#000000	##000000
##237FA7	1.00	4.50	4.67	4.67
#FFFFFF	4.50	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)

#6B7EA9

Deuteranopia (green-blind)

#5971A6

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #237fa7;
/* rgb */ color: rgb(35, 127, 167);
/* oklch */ color: oklch(56.3% 0.103 232.1);

Tailwind

colors: {
  custom: {
    50: '#73a4c1',
    500: '#237fa7',
    950: '#000000',
  },
}

SCSS

$custom: #237fa7;
$custom-light: #73a4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#237fa7",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 198.182,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.56257,
    "c": 0.10278,
    "h": 232.1
  },
  "luminance": 0.18326
}

Semantic roles & 50–950 ramp

primary

#237FA7

secondary

#C47F61

accent

#733FE8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237FA7

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

Preview Lab → · Contrast checker → · Palette generator →