#237BBD#237BBD

#237BBD is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.130 H 246.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#237BBD
RGB	rgb(35, 123, 189)
HSL	hsl(206, 69%, 44%)
HSV	hsv(206, 81%, 74%)
CMYK	cmyk(81.5%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(49.73, -1.85, -41.74)
CIE-LCH	lch(49.73, 41.78, 267.46°)
OKLab	oklab(56.48% -0.0524 -0.1188)
OKLCH	oklch(56.48% 0.13 246.2)
XYZ	xyz(16.9578, 18.1953, 50.7525)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237BBD #BD6523

analogous

#23BDB2 #237BBD #232EBD

triadic

#237BBD #BD237B #7BBD23

tetradic

#237BBD #B223BD #BD6523 #2EBD23

square

#237BBD #B223BD #BD6523 #2EBD23

split-complementary

#237BBD #BD232E #BDB223

monochromatic

#103856 #195989 #237BBD #419ADC #75B5E5

Accessibility & contrast

On white

4.53

#237BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#237BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237BBD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237BBD	#FFFFFF	#000000	##000000
##237BBD	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7EC0

Deuteranopia (green-blind)

#4670BC

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237bbd;
/* rgb */ color: rgb(35, 123, 189);
/* oklch */ color: oklch(56.5% 0.130 246.2);

Tailwind

colors: {
  custom: {
    50: '#77a0d1',
    500: '#237bbd',
    950: '#000000',
  },
}

SCSS

$custom: #237bbd;
$custom-light: #77a0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#237bbd",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 205.714,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56482,
    "c": 0.12985,
    "h": 246.2
  },
  "luminance": 0.18197
}

Semantic roles & 50–950 ramp

primary

#237BBD

secondary

#CD976F

accent

#873CEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #237BBD

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

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