#2888B2#2888B2

#2888B2 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.107 H 232.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#2888B2
RGB	rgb(40, 136, 178)
HSL	hsl(198, 63%, 43%)
HSV	hsv(198, 78%, 70%)
CMYK	cmyk(77.5%, 23.6%, 0%, 30.2%)
CIE-LAB	lab(53.25, -12.88, -29.90)
CIE-LCH	lch(53.25, 32.55, 246.69°)
OKLab	oklab(59.13% -0.0658 -0.0842)
OKLCH	oklch(59.13% 0.107 232)
XYZ	xyz(17.7119, 21.2717, 45.2832)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2888B2 #B25228

analogous

#28B297 #2888B2 #2843B2

triadic

#2888B2 #B22888 #88B228

tetradic

#2888B2 #9728B2 #B25228 #43B228

square

#2888B2 #9728B2 #B25228 #43B228

split-complementary

#2888B2 #B22843 #B29728

monochromatic

#123C4E #1D6280 #2888B2 #43A8D5 #75BFE0

Accessibility & contrast

On white

4.00

#2888B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#2888B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2888B2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2888B2	#FFFFFF	#000000	##000000
##2888B2	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B4

Deuteranopia (green-blind)

#6079B1

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #2888b2;
/* rgb */ color: rgb(40, 136, 178);
/* oklch */ color: oklch(59.1% 0.107 232.0);

Tailwind

colors: {
  custom: {
    50: '#77aac9',
    500: '#2888b2',
    950: '#000000',
  },
}

SCSS

$custom: #2888b2;
$custom-light: #77aac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2888b2",
  "rgb": {
    "r": 40,
    "g": 136,
    "b": 178
  },
  "hsl": {
    "h": 198.261,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.59127,
    "c": 0.10683,
    "h": 232
  },
  "luminance": 0.21274
}

Semantic roles & 50–950 ramp

primary

#2888B2

secondary

#C78A6F

accent

#7441E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2888B2

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

Preview Lab → · Contrast checker → · Palette generator →