#237ABC#237ABC

#237ABC is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.130 H 246.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#237ABC
RGB	rgb(35, 122, 188)
HSL	hsl(206, 69%, 44%)
HSV	hsv(206, 81%, 74%)
CMYK	cmyk(81.4%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(49.38, -1.62, -41.72)
CIE-LCH	lch(49.38, 41.75, 267.77°)
OKLab	oklab(56.19% -0.0518 -0.1188)
OKLCH	oklch(56.19% 0.13 246.5)
XYZ	xyz(16.7263, 17.9052, 50.1417)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237ABC #BC6523

analogous

#23BCB1 #237ABC #232EBC

triadic

#237ABC #BC237A #7ABC23

tetradic

#237ABC #B123BC #BC6523 #2EBC23

square

#237ABC #B123BC #BC6523 #2EBC23

split-complementary

#237ABC #BC232E #BCB123

monochromatic

#103755 #195988 #237ABC #4199DC #74B4E5

Accessibility & contrast

On white

4.58

#237ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#237ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237ABC

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237ABC	#FFFFFF	#000000	##000000
##237ABC	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#456FBB

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237abc;
/* rgb */ color: rgb(35, 122, 188);
/* oklch */ color: oklch(56.2% 0.130 246.5);

Tailwind

colors: {
  custom: {
    50: '#77a0d0',
    500: '#237abc',
    950: '#000000',
  },
}

SCSS

$custom: #237abc;
$custom-light: #77a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#237abc",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 205.882,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56189,
    "c": 0.12957,
    "h": 246.5
  },
  "luminance": 0.17907
}

Semantic roles & 50–950 ramp

primary

#237ABC

secondary

#CC976F

accent

#883CEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #237ABC

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

Preview Lab → · Contrast checker → · Palette generator →