#2891B4#2891B4

#2891B4 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.4% C 0.105 H 225.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2891B4
RGB	rgb(40, 145, 180)
HSL	hsl(195, 64%, 43%)
HSV	hsv(195, 78%, 71%)
CMYK	cmyk(77.8%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(56.08, -17.15, -26.64)
CIE-LCH	lch(56.08, 31.68, 237.24°)
OKLab	oklab(61.42% -0.0738 -0.0747)
OKLCH	oklch(61.42% 0.105 225.4)
XYZ	xyz(19.2353, 23.9949, 46.7889)
Luminance	0.2400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2891B4 #B44B28

analogous

#28B491 #2891B4 #284BB4

triadic

#2891B4 #B42891 #91B428

tetradic

#2891B4 #9128B4 #B44B28 #4BB428

square

#2891B4 #9128B4 #B44B28 #4BB428

split-complementary

#2891B4 #B4284B #B49128

monochromatic

#124050 #1D6982 #2891B4 #44B1D5 #76C6E1

Accessibility & contrast

On white

3.62

#2891B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#2891B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2891B4

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2891B4	#FFFFFF	#000000	##000000
##2891B4	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB6

Deuteranopia (green-blind)

#6B81B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2891b4;
/* rgb */ color: rgb(40, 145, 180);
/* oklch */ color: oklch(61.4% 0.105 225.4);

Tailwind

colors: {
  custom: {
    50: '#78b1ca',
    500: '#2891b4',
    950: '#000000',
  },
}

SCSS

$custom: #2891b4;
$custom-light: #78b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2891b4",
  "rgb": {
    "r": 40,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 195,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.61424,
    "c": 0.10502,
    "h": 225.4
  },
  "luminance": 0.23997
}

Semantic roles & 50–950 ramp

primary

#2891B4

secondary

#C88670

accent

#6B41E7

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2891B4

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

Preview Lab → · Contrast checker → · Palette generator →