#2A75B3#2A75B3

#2A75B3 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.7% C 0.121 H 247.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A75B3
RGB	rgb(42, 117, 179)
HSL	hsl(207, 62%, 43%)
HSV	hsv(207, 77%, 70%)
CMYK	cmyk(76.5%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.58, -1.19, -39.35)
CIE-LCH	lch(47.58, 39.37, 268.27°)
OKLab	oklab(54.67% -0.0464 -0.1119)
OKLCH	oklch(54.67% 0.121 247.5)
XYZ	xyz(15.4497, 16.4677, 45.0034)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A75B3 #B3682A

analogous

#2AB3AC #2A75B3 #2A31B3

triadic

#2A75B3 #B32A75 #75B32A

tetradic

#2A75B3 #AC2AB3 #B3682A #31B32A

square

#2A75B3 #AC2AB3 #B3682A #31B32A

split-complementary

#2A75B3 #B32A31 #B3AC2A

monochromatic

#133450 #1E5581 #2A75B3 #4694D4 #78B1DF

Accessibility & contrast

On white

4.89

#2A75B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#2A75B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A75B3

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A75B3	#FFFFFF	#000000	##FFFFFF
##2A75B3	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#456BB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2a75b3;
/* rgb */ color: rgb(42, 117, 179);
/* oklch */ color: oklch(54.7% 0.121 247.5);

Tailwind

colors: {
  custom: {
    50: '#779cca',
    500: '#2a75b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a75b3;
$custom-light: #779cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a75b3",
  "rgb": {
    "r": 42,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 207.153,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54667,
    "c": 0.1211,
    "h": 247.5
  },
  "luminance": 0.16469
}

Semantic roles & 50–950 ramp

primary

#2A75B3

secondary

#C79872

accent

#8C43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A75B3

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

Preview Lab → · Contrast checker → · Palette generator →