#2A66A3#2A66A3

#2A66A3 is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 50.2% C 0.115 H 251.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A66A3
RGB	rgb(42, 102, 163)
HSL	hsl(210, 59%, 40%)
HSV	hsv(210, 74%, 64%)
CMYK	cmyk(74.2%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(42.21, 2.09, -38.48)
CIE-LCH	lch(42.21, 38.54, 273.11°)
OKLab	oklab(50.17% -0.0365 -0.1095)
OKLCH	oklch(50.17% 0.115 251.6)
XYZ	xyz(12.3146, 12.6379, 36.4336)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66A3 #A3672A

analogous

#2AA2A3 #2A66A3 #2B2AA3

triadic

#2A66A3 #A32A66 #66A32A

tetradic

#2A66A3 #A32AA2 #A3672A #2AA32B

square

#2A66A3 #A32AA2 #A3672A #2AA32B

split-complementary

#2A66A3 #A32B2A #A2A32A

monochromatic

#112942 #1D4872 #2A66A3 #3D85CD #6EA3DA

Accessibility & contrast

On white

5.95

#2A66A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#2A66A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66A3

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66A3	#FFFFFF	#000000	##FFFFFF
##2A66A3	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6AA6

Deuteranopia (green-blind)

#385FA2

Tritanopia (blue-blind)

#00747C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a66a3;
/* rgb */ color: rgb(42, 102, 163);
/* oklch */ color: oklch(50.2% 0.115 251.6);

Tailwind

colors: {
  custom: {
    50: '#7491be',
    500: '#2a66a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a66a3;
$custom-light: #7491be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66a3",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 210.248,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50174,
    "c": 0.11548,
    "h": 251.6
  },
  "luminance": 0.12639
}

Semantic roles & 50–950 ramp

primary

#2A66A3

secondary

#C09568

accent

#9546E2

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2A66A3

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

Preview Lab → · Contrast checker → · Palette generator →