#2B83B1#2B83B1

#2B83B1 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.107 H 236.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B83B1
RGB	rgb(43, 131, 177)
HSL	hsl(201, 61%, 43%)
HSV	hsv(201, 76%, 69%)
CMYK	cmyk(75.7%, 26%, 0%, 30.6%)
CIE-LAB	lab(51.74, -10.04, -31.66)
CIE-LCH	lch(51.74, 33.21, 252.40°)
OKLab	oklab(57.94% -0.0599 -0.0893)
OKLCH	oklch(57.94% 0.108 236.2)
XYZ	xyz(17.0452, 19.9185, 44.5328)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B83B1 #B1592B

analogous

#2BB19C #2B83B1 #2B40B1

triadic

#2B83B1 #B12B83 #83B12B

tetradic

#2B83B1 #9C2BB1 #B1592B #40B12B

square

#2B83B1 #9C2BB1 #B1592B #40B12B

split-complementary

#2B83B1 #B12B40 #B19C2B

monochromatic

#133A4F #1F5F80 #2B83B1 #47A2D2 #78BBDE

Accessibility & contrast

On white

4.21

#2B83B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#2B83B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B83B1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B83B1	#FFFFFF	#000000	##000000
##2B83B1	1.00	4.21	4.98	4.98
#FFFFFF	4.21	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)

#6D82B3

Deuteranopia (green-blind)

#5B76B0

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2b83b1;
/* rgb */ color: rgb(43, 131, 177);
/* oklch */ color: oklch(57.9% 0.107 236.2);

Tailwind

colors: {
  custom: {
    50: '#78a7c8',
    500: '#2b83b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b83b1;
$custom-light: #78a7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b83b1",
  "rgb": {
    "r": 43,
    "g": 131,
    "b": 177
  },
  "hsl": {
    "h": 200.597,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.57937,
    "c": 0.1075,
    "h": 236.2
  },
  "luminance": 0.19921
}

Semantic roles & 50–950 ramp

primary

#2B83B1

secondary

#C68F72

accent

#7B44E4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2B83B1

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

Preview Lab → · Contrast checker → · Palette generator →