#2757BE#2757BE

#2757BE is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.171 H 262.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#2757BE
RGB	rgb(39, 87, 190)
HSL	hsl(221, 66%, 45%)
HSV	hsv(221, 79%, 75%)
CMYK	cmyk(79.5%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(39.52, 21.80, -58.69)
CIE-LCH	lch(39.52, 62.61, 290.38°)
OKLab	oklab(48.63% -0.0211 -0.1693)
OKLCH	oklch(48.63% 0.171 262.9)
XYZ	xyz(13.5358, 10.9638, 50.1081)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757BE #BE8E27

analogous

#27A3BE #2757BE #4227BE

triadic

#2757BE #BE2757 #57BE27

tetradic

#2757BE #BE27A3 #BE8E27 #27BE42

square

#2757BE #BE27A3 #BE8E27 #27BE42

split-complementary

#2757BE #BE4227 #A3BE27

monochromatic

#122858 #1D408B #2757BE #4977DA #7B9DE4

Accessibility & contrast

On white

6.58

#2757BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2757BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757BE

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757BE	#FFFFFF	#000000	##FFFFFF
##2757BE	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2757be;
/* rgb */ color: rgb(39, 87, 190);
/* oklch */ color: oklch(48.6% 0.171 262.9);

Tailwind

colors: {
  custom: {
    50: '#7985d2',
    500: '#2757be',
    950: '#000000',
  },
}

SCSS

$custom: #2757be;
$custom-light: #7985d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2757be",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 220.927,
    "s": 65.939,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48626,
    "c": 0.17059,
    "h": 262.9
  },
  "luminance": 0.10965
}

Semantic roles & 50–950 ramp

primary

#2757BE

secondary

#CCB075

accent

#B33FE9

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2757BE

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

Preview Lab → · Contrast checker → · Palette generator →