#2B90BC#2B90BC

#2B90BC is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.111 H 231.9°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B90BC
RGB	rgb(43, 144, 188)
HSL	hsl(198, 63%, 45%)
HSV	hsv(198, 77%, 74%)
CMYK	cmyk(77.1%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.18, -13.50, -31.04)
CIE-LCH	lch(56.18, 33.85, 246.50°)
OKLab	oklab(61.63% -0.0686 -0.0874)
OKLCH	oklch(61.63% 0.111 231.9)
XYZ	xyz(20.0429, 24.0885, 51.1604)
Luminance	0.2409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B90BC #BC572B

analogous

#2BBCA0 #2B90BC #2B47BC

triadic

#2B90BC #BC2B90 #90BC2B

tetradic

#2B90BC #A02BBC #BC572B #47BC2B

square

#2B90BC #A02BBC #BC572B #47BC2B

split-complementary

#2B90BC #BC2B47 #BCA02B

monochromatic

#144458 #206A8A #2B90BC #4EADD6 #80C4E2

Accessibility & contrast

On white

3.61

#2B90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#2B90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B90BC

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B90BC	#FFFFFF	#000000	##000000
##2B90BC	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBE

Deuteranopia (green-blind)

#6781BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #2b90bc;
/* rgb */ color: rgb(43, 144, 188);
/* oklch */ color: oklch(61.6% 0.111 231.9);

Tailwind

colors: {
  custom: {
    50: '#7ab0d0',
    500: '#2b90bc',
    950: '#000000',
  },
}

SCSS

$custom: #2b90bc;
$custom-light: #7ab0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b90bc",
  "rgb": {
    "r": 43,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 198.207,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.61627,
    "c": 0.11111,
    "h": 231.9
  },
  "luminance": 0.24091
}

Semantic roles & 50–950 ramp

primary

#2B90BC

secondary

#CB9178

accent

#7442E6

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #2B90BC

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

Preview Lab → · Contrast checker → · Palette generator →