#2880B1#2880B1

#2880B1 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.1% C 0.111 H 238.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2880B1
RGB	rgb(40, 128, 177)
HSL	hsl(201, 63%, 43%)
HSV	hsv(201, 77%, 69%)
CMYK	cmyk(77.4%, 27.7%, 0%, 30.6%)
CIE-LAB	lab(50.76, -8.68, -33.20)
CIE-LCH	lch(50.76, 34.32, 255.35°)
OKLab	oklab(57.13% -0.0584 -0.0938)
OKLCH	oklch(57.13% 0.111 238.1)
XYZ	xyz(16.5269, 19.0618, 44.3947)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2880B1 #B15928

analogous

#28B19E #2880B1 #283BB1

triadic

#2880B1 #B12880 #80B128

tetradic

#2880B1 #9E28B1 #B15928 #3BB128

square

#2880B1 #9E28B1 #B15928 #3BB128

split-complementary

#2880B1 #B1283B #B19E28

monochromatic

#11384D #1D5C7F #2880B1 #42A0D4 #74B9E0

Accessibility & contrast

On white

4.36

#2880B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#2880B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2880B1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2880B1	#FFFFFF	#000000	##000000
##2880B1	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B3

Deuteranopia (green-blind)

#5673B0

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2880b1;
/* rgb */ color: rgb(40, 128, 177);
/* oklch */ color: oklch(57.1% 0.111 238.1);

Tailwind

colors: {
  custom: {
    50: '#77a4c8',
    500: '#2880b1',
    950: '#000000',
  },
}

SCSS

$custom: #2880b1;
$custom-light: #77a4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2880b1",
  "rgb": {
    "r": 40,
    "g": 128,
    "b": 177
  },
  "hsl": {
    "h": 201.46,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.57133,
    "c": 0.11052,
    "h": 238.1
  },
  "luminance": 0.19064
}

Semantic roles & 50–950 ramp

primary

#2880B1

secondary

#C78E6E

accent

#7C42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2880B1

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

Preview Lab → · Contrast checker → · Palette generator →