#2757D0#2757D0

#2757D0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.194 H 264.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#2757D0
RGB	rgb(39, 87, 208)
HSL	hsl(223, 68%, 48%)
HSV	hsv(223, 81%, 82%)
CMYK	cmyk(81.3%, 58.2%, 0%, 18.4%)
CIE-LAB	lab(40.90, 28.67, -66.88)
CIE-LCH	lch(40.90, 72.77, 293.20°)
OKLab	oklab(50.1% -0.02 -0.1933)
OKLCH	oklch(50.1% 0.194 264.1)
XYZ	xyz(15.6260, 11.7999, 61.1163)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757D0 #D0A027

analogous

#27ABD0 #2757D0 #4C27D0

triadic

#2757D0 #D02757 #57D027

tetradic

#2757D0 #D027AB #D0A027 #27D04C

square

#2757D0 #D027AB #D0A027 #27D04C

split-complementary

#2757D0 #D04C27 #ABD027

monochromatic

#142C69 #1D419C #2757D0 #557CDF #89A4E9

Accessibility & contrast

On white

6.25

#2757D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#2757D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757D0

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757D0	#FFFFFF	#000000	##FFFFFF
##2757D0	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D4

Deuteranopia (green-blind)

#0059CE

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2757d0;
/* rgb */ color: rgb(39, 87, 208);
/* oklch */ color: oklch(50.1% 0.194 264.1);

Tailwind

colors: {
  custom: {
    50: '#7e85df',
    500: '#2757d0',
    950: '#000000',
  },
}

SCSS

$custom: #2757d0;
$custom-light: #7e85df;
$custom-dark: #000000;

JSON

{
  "hex": "#2757d0",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 208
  },
  "hsl": {
    "h": 222.959,
    "s": 68.421,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50096,
    "c": 0.19437,
    "h": 264.1
  },
  "luminance": 0.11802
}

Semantic roles & 50–950 ramp

primary

#2757D0

secondary

#D2BB80

accent

#BA3DEB

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #2757D0

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

Preview Lab → · Contrast checker → · Palette generator →