#2B83B0#2B83B0

#2B83B0 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.106 H 235.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B83B0
RGB	rgb(43, 131, 176)
HSL	hsl(200, 61%, 43%)
HSV	hsv(200, 76%, 69%)
CMYK	cmyk(75.6%, 25.6%, 0%, 31%)
CIE-LAB	lab(51.70, -10.40, -31.15)
CIE-LCH	lch(51.70, 32.84, 251.54°)
OKLab	oklab(57.89% -0.0602 -0.0878)
OKLCH	oklch(57.89% 0.106 235.6)
XYZ	xyz(16.9459, 19.8788, 44.0098)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B83B0 #B0582B

analogous

#2BB09B #2B83B0 #2B40B0

triadic

#2B83B0 #B02B83 #83B02B

tetradic

#2B83B0 #9B2BB0 #B0582B #40B02B

square

#2B83B0 #9B2BB0 #B0582B #40B02B

split-complementary

#2B83B0 #B02B40 #B09B2B

monochromatic

#133A4E #1F5E7F #2B83B0 #46A3D2 #78BBDE

Accessibility & contrast

On white

4.22

#2B83B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#2B83B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B83B0

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B83B0	#FFFFFF	#000000	##000000
##2B83B0	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D82B2

Deuteranopia (green-blind)

#5B76AF

Tritanopia (blue-blind)

#008F92

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2b83b0;
/* rgb */ color: rgb(43, 131, 176);
/* oklch */ color: oklch(57.9% 0.106 235.6);

Tailwind

colors: {
  custom: {
    50: '#77a7c7',
    500: '#2b83b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b83b0;
$custom-light: #77a7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b83b0",
  "rgb": {
    "r": 43,
    "g": 131,
    "b": 176
  },
  "hsl": {
    "h": 200.301,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57886,
    "c": 0.10649,
    "h": 235.6
  },
  "luminance": 0.19881
}

Semantic roles & 50–950 ramp

primary

#2B83B0

secondary

#C68E71

accent

#7A44E4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2B83B0

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

Preview Lab → · Contrast checker → · Palette generator →