#2890B3#2890B3

#2890B3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.105 H 225.6°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#2890B3
RGB	rgb(40, 144, 179)
HSL	hsl(195, 63%, 43%)
HSV	hsv(195, 78%, 70%)
CMYK	cmyk(77.7%, 19.6%, 0%, 29.8%)
CIE-LAB	lab(55.74, -16.95, -26.61)
CIE-LCH	lch(55.74, 31.55, 237.51°)
OKLab	oklab(61.13% -0.0732 -0.0746)
OKLCH	oklch(61.13% 0.105 225.6)
XYZ	xyz(18.9816, 23.6500, 46.2036)
Luminance	0.2365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2890B3 #B34B28

analogous

#28B390 #2890B3 #284AB3

triadic

#2890B3 #B32890 #90B328

tetradic

#2890B3 #9028B3 #B34B28 #4AB328

square

#2890B3 #9028B3 #B34B28 #4AB328

split-complementary

#2890B3 #B3284A #B39028

monochromatic

#12404F #1D6881 #2890B3 #43B0D5 #75C5E0

Accessibility & contrast

On white

3.66

#2890B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#2890B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2890B3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2890B3	#FFFFFF	#000000	##000000
##2890B3	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB5

Deuteranopia (green-blind)

#6A80B3

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2890b3;
/* rgb */ color: rgb(40, 144, 179);
/* oklch */ color: oklch(61.1% 0.105 225.6);

Tailwind

colors: {
  custom: {
    50: '#78b0c9',
    500: '#2890b3',
    950: '#000000',
  },
}

SCSS

$custom: #2890b3;
$custom-light: #78b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2890b3",
  "rgb": {
    "r": 40,
    "g": 144,
    "b": 179
  },
  "hsl": {
    "h": 195.108,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.61132,
    "c": 0.10454,
    "h": 225.6
  },
  "luminance": 0.23652
}

Semantic roles & 50–950 ramp

primary

#2890B3

secondary

#C8856F

accent

#6B41E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2890B3

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

Preview Lab → · Contrast checker → · Palette generator →