#2B88B4#2B88B4

#2B88B4 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.108 H 233.7°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B88B4
RGB	rgb(43, 136, 180)
HSL	hsl(199, 61%, 44%)
HSV	hsv(199, 76%, 71%)
CMYK	cmyk(76.1%, 24.4%, 0%, 29.4%)
CIE-LAB	lab(53.40, -11.82, -30.80)
CIE-LCH	lch(53.40, 32.99, 249.00°)
OKLab	oklab(59.3% -0.0637 -0.0867)
OKLCH	oklch(59.3% 0.108 233.7)
XYZ	xyz(18.0353, 21.4151, 46.3542)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B88B4 #B4572B

analogous

#2BB49B #2B88B4 #2B43B4

triadic

#2B88B4 #B42B88 #88B42B

tetradic

#2B88B4 #9B2BB4 #B4572B #43B42B

square

#2B88B4 #9B2BB4 #B4572B #43B42B

split-complementary

#2B88B4 #B42B43 #B49B2B

monochromatic

#133D51 #1F6383 #2B88B4 #49A7D3 #7ABFDF

Accessibility & contrast

On white

3.97

#2B88B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#2B88B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B88B4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B88B4	#FFFFFF	#000000	##000000
##2B88B4	1.00	3.97	5.28	5.28
#FFFFFF	3.97	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)

#7287B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2b88b4;
/* rgb */ color: rgb(43, 136, 180);
/* oklch */ color: oklch(59.3% 0.108 233.7);

Tailwind

colors: {
  custom: {
    50: '#78aaca',
    500: '#2b88b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b88b4;
$custom-light: #78aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b88b4",
  "rgb": {
    "r": 43,
    "g": 136,
    "b": 180
  },
  "hsl": {
    "h": 199.27,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.59299,
    "c": 0.10763,
    "h": 233.7
  },
  "luminance": 0.21417
}

Semantic roles & 50–950 ramp

primary

#2B88B4

secondary

#C78E73

accent

#7743E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2B88B4

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

Preview Lab → · Contrast checker → · Palette generator →