#2D75B3#2D75B3

#2D75B3 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.120 H 248.1°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2D75B3
RGB	rgb(45, 117, 179)
HSL	hsl(208, 60%, 44%)
HSV	hsv(208, 75%, 70%)
CMYK	cmyk(74.9%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.67, -0.80, -39.22)
CIE-LCH	lch(47.67, 39.22, 268.83°)
OKLab	oklab(54.76% -0.0447 -0.1114)
OKLCH	oklch(54.76% 0.12 248.1)
XYZ	xyz(15.5771, 16.5334, 45.0094)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D75B3 #B36B2D

analogous

#2DB3AE #2D75B3 #2D32B3

triadic

#2D75B3 #B32D75 #75B32D

tetradic

#2D75B3 #AE2DB3 #B36B2D #32B32D

square

#2D75B3 #AE2DB3 #B36B2D #32B32D

split-complementary

#2D75B3 #B32D32 #B3AE2D

monochromatic

#143551 #215582 #2D75B3 #4B94D2 #7CB1DE

Accessibility & contrast

On white

4.88

#2D75B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2D75B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D75B3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D75B3	#FFFFFF	#000000	##FFFFFF
##2D75B3	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B6

Deuteranopia (green-blind)

#456BB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2d75b3;
/* rgb */ color: rgb(45, 117, 179);
/* oklch */ color: oklch(54.8% 0.120 248.1);

Tailwind

colors: {
  custom: {
    50: '#789cca',
    500: '#2d75b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d75b3;
$custom-light: #789cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d75b3",
  "rgb": {
    "r": 45,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 207.761,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54758,
    "c": 0.12006,
    "h": 248.1
  },
  "luminance": 0.16535
}

Semantic roles & 50–950 ramp

primary

#2D75B3

secondary

#C79B75

accent

#8E45E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D75B3

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

Preview Lab → · Contrast checker → · Palette generator →