#2B66A8#2B66A8

#2B66A8 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.5% C 0.122 H 253.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B66A8
RGB	rgb(43, 102, 168)
HSL	hsl(212, 59%, 41%)
HSV	hsv(212, 74%, 66%)
CMYK	cmyk(74.4%, 39.3%, 0%, 34.1%)
CIE-LAB	lab(42.52, 4.11, -40.94)
CIE-LCH	lch(42.52, 41.15, 275.74°)
OKLab	oklab(50.52% -0.0346 -0.1167)
OKLCH	oklch(50.52% 0.122 253.5)
XYZ	xyz(12.8129, 12.8420, 38.8417)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66A8 #A86D2B

analogous

#2BA5A8 #2B66A8 #2F2BA8

triadic

#2B66A8 #A82B66 #66A82B

tetradic

#2B66A8 #A82BA5 #A86D2B #2BA82F

square

#2B66A8 #A82BA5 #A86D2B #2BA82F

split-complementary

#2B66A8 #A82F2B #A5A82B

monochromatic

#122B47 #1F4877 #2B66A8 #4284CF #72A4DB

Accessibility & contrast

On white

5.88

#2B66A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2B66A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66A8

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66A8	#FFFFFF	#000000	##FFFFFF
##2B66A8	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476BAB

Deuteranopia (green-blind)

#345FA7

Tritanopia (blue-blind)

#00767F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b66a8;
/* rgb */ color: rgb(43, 102, 168);
/* oklch */ color: oklch(50.5% 0.122 253.5);

Tailwind

colors: {
  custom: {
    50: '#7591c2',
    500: '#2b66a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b66a8;
$custom-light: #7591c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66a8",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 168
  },
  "hsl": {
    "h": 211.68,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50518,
    "c": 0.12177,
    "h": 253.5
  },
  "luminance": 0.12843
}

Semantic roles & 50–950 ramp

primary

#2B66A8

secondary

#C29A6C

accent

#9845E2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #2B66A8

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

Preview Lab → · Contrast checker → · Palette generator →