#2891B5#2891B5

#2891B5 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.5% C 0.106 H 226.1°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2891B5
RGB	rgb(40, 145, 181)
HSL	hsl(195, 64%, 43%)
HSV	hsv(195, 78%, 71%)
CMYK	cmyk(77.9%, 19.9%, 0%, 29%)
CIE-LAB	lab(56.12, -16.80, -27.15)
CIE-LCH	lch(56.12, 31.93, 238.25°)
OKLab	oklab(61.47% -0.0734 -0.0762)
OKLCH	oklch(61.47% 0.106 226.1)
XYZ	xyz(19.3375, 24.0358, 47.3273)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2891B5 #B54C28

analogous

#28B592 #2891B5 #284AB5

triadic

#2891B5 #B52891 #91B528

tetradic

#2891B5 #9228B5 #B54C28 #4AB528

square

#2891B5 #9228B5 #B54C28 #4AB528

split-complementary

#2891B5 #B5284A #B59228

monochromatic

#124151 #1D6983 #2891B5 #44B1D6 #77C6E1

Accessibility & contrast

On white

3.62

#2891B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#2891B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2891B5

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2891B5	#FFFFFF	#000000	##000000
##2891B5	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB7

Deuteranopia (green-blind)

#6B81B5

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #2891b5;
/* rgb */ color: rgb(40, 145, 181);
/* oklch */ color: oklch(61.5% 0.106 226.1);

Tailwind

colors: {
  custom: {
    50: '#78b1cb',
    500: '#2891b5',
    950: '#000000',
  },
}

SCSS

$custom: #2891b5;
$custom-light: #78b1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2891b5",
  "rgb": {
    "r": 40,
    "g": 145,
    "b": 181
  },
  "hsl": {
    "h": 195.319,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.6147,
    "c": 0.1058,
    "h": 226.1
  },
  "luminance": 0.24038
}

Semantic roles & 50–950 ramp

primary

#2891B5

secondary

#C88770

accent

#6B41E7

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2891B5

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

Preview Lab → · Contrast checker → · Palette generator →