#2A90BC#2A90BC

#2A90BC is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.111 H 231.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A90BC
RGB	rgb(42, 144, 188)
HSL	hsl(198, 63%, 45%)
HSV	hsv(198, 78%, 74%)
CMYK	cmyk(77.7%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.16, -13.61, -31.08)
CIE-LCH	lch(56.16, 33.93, 246.35°)
OKLab	oklab(61.6% -0.069 -0.0875)
OKLCH	oklch(61.6% 0.111 231.7)
XYZ	xyz(20.0015, 24.0672, 51.1585)
Luminance	0.2407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A90BC #BC562A

analogous

#2ABC9F #2A90BC #2A47BC

triadic

#2A90BC #BC2A90 #90BC2A

tetradic

#2A90BC #9F2ABC #BC562A #47BC2A

square

#2A90BC #9F2ABC #BC562A #47BC2A

split-complementary

#2A90BC #BC2A47 #BC9F2A

monochromatic

#144358 #1F6A8A #2A90BC #4CADD7 #7EC4E2

Accessibility & contrast

On white

3.61

#2A90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#2A90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A90BC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A90BC	#FFFFFF	#000000	##000000
##2A90BC	1.00	3.61	5.81	5.81
#FFFFFF	3.61	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)

#7A8EBE

Deuteranopia (green-blind)

#6681BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #2a90bc;
/* rgb */ color: rgb(42, 144, 188);
/* oklch */ color: oklch(61.6% 0.111 231.7);

Tailwind

colors: {
  custom: {
    50: '#7ab0d0',
    500: '#2a90bc',
    950: '#000000',
  },
}

SCSS

$custom: #2a90bc;
$custom-light: #7ab0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a90bc",
  "rgb": {
    "r": 42,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 198.082,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61604,
    "c": 0.11145,
    "h": 231.7
  },
  "luminance": 0.2407
}

Semantic roles & 50–950 ramp

primary

#2A90BC

secondary

#CB9077

accent

#7341E7

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #2A90BC

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

Preview Lab → · Contrast checker → · Palette generator →