#2A90B2#2A90B2

#2A90B2 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.103 H 225.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A90B2
RGB	rgb(42, 144, 178)
HSL	hsl(195, 62%, 43%)
HSV	hsv(195, 76%, 70%)
CMYK	cmyk(76.4%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(55.74, -17.06, -26.03)
CIE-LCH	lch(55.74, 31.12, 236.77°)
OKLab	oklab(61.13% -0.0727 -0.073)
OKLCH	oklch(61.13% 0.103 225.1)
XYZ	xyz(18.9607, 23.6508, 45.6766)
Luminance	0.2365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A90B2 #B24C2A

analogous

#2AB290 #2A90B2 #2A4CB2

triadic

#2A90B2 #B22A90 #90B22A

tetradic

#2A90B2 #902AB2 #B24C2A #4CB22A

square

#2A90B2 #902AB2 #B24C2A #4CB22A

split-complementary

#2A90B2 #B22A4C #B2902A

monochromatic

#13404F #1E6880 #2A90B2 #46B0D3 #77C5DF

Accessibility & contrast

On white

3.66

#2A90B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#2A90B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A90B2

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A90B2	#FFFFFF	#000000	##000000
##2A90B2	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)

#7D8DB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2a90b2;
/* rgb */ color: rgb(42, 144, 178);
/* oklch */ color: oklch(61.1% 0.103 225.1);

Tailwind

colors: {
  custom: {
    50: '#78b0c9',
    500: '#2a90b2',
    950: '#000000',
  },
}

SCSS

$custom: #2a90b2;
$custom-light: #78b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a90b2",
  "rgb": {
    "r": 42,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 195,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.61131,
    "c": 0.10304,
    "h": 225.1
  },
  "luminance": 0.23653
}

Semantic roles & 50–950 ramp

primary

#2A90B2

secondary

#C78671

accent

#6B43E5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A90B2

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

Preview Lab → · Contrast checker → · Palette generator →