#2B83AB#2B83AB

#2B83AB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.102 H 232.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B83AB
RGB	rgb(43, 131, 171)
HSL	hsl(199, 60%, 42%)
HSV	hsv(199, 75%, 67%)
CMYK	cmyk(74.9%, 23.4%, 0%, 32.9%)
CIE-LAB	lab(51.48, -12.16, -28.61)
CIE-LCH	lch(51.48, 31.09, 246.98°)
OKLab	oklab(57.64% -0.062 -0.0805)
OKLCH	oklch(57.64% 0.102 232.4)
XYZ	xyz(16.4603, 19.6845, 41.4522)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B83AB #AB532B

analogous

#2BAB93 #2B83AB #2B43AB

triadic

#2B83AB #AB2B83 #83AB2B

tetradic

#2B83AB #932BAB #AB532B #43AB2B

square

#2B83AB #932BAB #AB532B #43AB2B

split-complementary

#2B83AB #AB2B43 #AB932B

monochromatic

#123849 #1F5E7A #2B83AB #43A4D0 #74BCDC

Accessibility & contrast

On white

4.25

#2B83AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#2B83AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B83AB

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B83AB	#FFFFFF	#000000	##000000
##2B83AB	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AD

Deuteranopia (green-blind)

#5E75AA

Tritanopia (blue-blind)

#008E90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2b83ab;
/* rgb */ color: rgb(43, 131, 171);
/* oklch */ color: oklch(57.6% 0.102 232.4);

Tailwind

colors: {
  custom: {
    50: '#77a7c4',
    500: '#2b83ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b83ab;
$custom-light: #77a7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b83ab",
  "rgb": {
    "r": 43,
    "g": 131,
    "b": 171
  },
  "hsl": {
    "h": 198.75,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.57637,
    "c": 0.10159,
    "h": 232.4
  },
  "luminance": 0.19686
}

Semantic roles & 50–950 ramp

primary

#2B83AB

secondary

#C4896E

accent

#7645E3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2B83AB

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

Preview Lab → · Contrast checker → · Palette generator →