#2B88B3#2B88B3

#2B88B3 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.107 H 233.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B88B3
RGB	rgb(43, 136, 179)
HSL	hsl(199, 61%, 44%)
HSV	hsv(199, 76%, 70%)
CMYK	cmyk(76%, 24%, 0%, 29.8%)
CIE-LAB	lab(53.36, -12.17, -30.29)
CIE-LCH	lch(53.36, 32.65, 248.11°)
OKLab	oklab(59.25% -0.0641 -0.0853)
OKLCH	oklch(59.25% 0.107 233.1)
XYZ	xyz(17.9338, 21.3745, 45.8196)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B88B3 #B3562B

analogous

#2BB39A #2B88B3 #2B44B3

triadic

#2B88B3 #B32B88 #88B32B

tetradic

#2B88B3 #9A2BB3 #B3562B #44B32B

square

#2B88B3 #9A2BB3 #B3562B #44B32B

split-complementary

#2B88B3 #B32B44 #B39A2B

monochromatic

#133D50 #1F6382 #2B88B3 #48A7D3 #79BFDF

Accessibility & contrast

On white

3.98

#2B88B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#2B88B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B88B3

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B88B3	#FFFFFF	#000000	##000000
##2B88B3	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B5

Deuteranopia (green-blind)

#607AB2

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #2b88b3;
/* rgb */ color: rgb(43, 136, 179);
/* oklch */ color: oklch(59.3% 0.107 233.1);

Tailwind

colors: {
  custom: {
    50: '#78aaca',
    500: '#2b88b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b88b3;
$custom-light: #78aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b88b3",
  "rgb": {
    "r": 43,
    "g": 136,
    "b": 179
  },
  "hsl": {
    "h": 198.971,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5925,
    "c": 0.10668,
    "h": 233.1
  },
  "luminance": 0.21377
}

Semantic roles & 50–950 ramp

primary

#2B88B3

secondary

#C78D73

accent

#7643E4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2B88B3

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

Preview Lab → · Contrast checker → · Palette generator →