#2757B7#2757B7

#2757B7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.1% C 0.161 H 262.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#2757B7
RGB	rgb(39, 87, 183)
HSL	hsl(220, 65%, 44%)
HSV	hsv(220, 79%, 72%)
CMYK	cmyk(78.7%, 52.5%, 0%, 28.2%)
CIE-LAB	lab(39.01, 19.10, -55.41)
CIE-LCH	lch(39.01, 58.61, 289.02°)
OKLab	oklab(48.08% -0.0218 -0.1596)
OKLCH	oklch(48.08% 0.161 262.2)
XYZ	xyz(12.7891, 10.6651, 46.1751)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757B7 #B78727

analogous

#279FB7 #2757B7 #3F27B7

triadic

#2757B7 #B72757 #57B727

tetradic

#2757B7 #B7279F #B78727 #27B73F

square

#2757B7 #B7279F #B78727 #27B73F

split-complementary

#2757B7 #B73F27 #9FB727

monochromatic

#112752 #1C3F85 #2757B7 #4475D7 #769AE2

Accessibility & contrast

On white

6.70

#2757B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2757B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757B7

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757B7	#FFFFFF	#000000	##FFFFFF
##2757B7	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1363BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2757b7;
/* rgb */ color: rgb(39, 87, 183);
/* oklch */ color: oklch(48.1% 0.161 262.2);

Tailwind

colors: {
  custom: {
    50: '#7885cd',
    500: '#2757b7',
    950: '#000000',
  },
}

SCSS

$custom: #2757b7;
$custom-light: #7885cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2757b7",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 183
  },
  "hsl": {
    "h": 220,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48078,
    "c": 0.16113,
    "h": 262.2
  },
  "luminance": 0.10667
}

Semantic roles & 50–950 ramp

primary

#2757B7

secondary

#C9AC70

accent

#B040E8

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2757B7

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

Preview Lab → · Contrast checker → · Palette generator →