#2891B0#2891B0

#2891B0 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.102 H 222.5°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2891B0
RGB	rgb(40, 145, 176)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 77%, 69%)
CMYK	cmyk(77.3%, 17.6%, 0%, 31%)
CIE-LAB	lab(55.92, -18.51, -24.61)
CIE-LCH	lch(55.92, 30.79, 233.06°)
OKLab	oklab(61.24% -0.0753 -0.0689)
OKLCH	oklch(61.24% 0.102 222.5)
XYZ	xyz(18.8337, 23.8342, 44.6737)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2891B0 #B04728

analogous

#28B08B #2891B0 #284DB0

triadic

#2891B0 #B02891 #91B028

tetradic

#2891B0 #8B28B0 #B04728 #4DB028

square

#2891B0 #8B28B0 #B04728 #4DB028

split-complementary

#2891B0 #B0284D #B08B28

monochromatic

#113F4C #1D687E #2891B0 #41B2D4 #73C7DF

Accessibility & contrast

On white

3.64

#2891B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#2891B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2891B0

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2891B0	#FFFFFF	#000000	##000000
##2891B0	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8DB2

Deuteranopia (green-blind)

#6D80B0

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2891b0;
/* rgb */ color: rgb(40, 145, 176);
/* oklch */ color: oklch(61.2% 0.102 222.5);

Tailwind

colors: {
  custom: {
    50: '#78b1c7',
    500: '#2891b0',
    950: '#000000',
  },
}

SCSS

$custom: #2891b0;
$custom-light: #78b1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2891b0",
  "rgb": {
    "r": 40,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 193.676,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.61241,
    "c": 0.1021,
    "h": 222.5
  },
  "luminance": 0.23837
}

Semantic roles & 50–950 ramp

primary

#2891B0

secondary

#C6826D

accent

#6742E6

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2891B0

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

Preview Lab → · Contrast checker → · Palette generator →