#2757AB#2757AB

#2757AB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.145 H 260.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2757AB
RGB	rgb(39, 87, 171)
HSL	hsl(218, 63%, 41%)
HSV	hsv(218, 77%, 67%)
CMYK	cmyk(77.2%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.18, 14.45, -49.68)
CIE-LCH	lch(38.18, 51.74, 286.21°)
OKLab	oklab(47.18% -0.0234 -0.1428)
OKLCH	oklch(47.18% 0.145 260.7)
XYZ	xyz(11.5929, 10.1867, 39.8754)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757AB #AB7B27

analogous

#2799AB #2757AB #3927AB

triadic

#2757AB #AB2757 #57AB27

tetradic

#2757AB #AB2799 #AB7B27 #27AB39

square

#2757AB #AB2799 #AB7B27 #27AB39

split-complementary

#2757AB #AB3927 #99AB27

monochromatic

#102447 #1C3E79 #2757AB #3D73D3 #6E97DE

Accessibility & contrast

On white

6.91

#2757AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2757AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757AB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757AB	#FFFFFF	#000000	##FFFFFF
##2757AB	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2757ab;
/* rgb */ color: rgb(39, 87, 171);
/* oklch */ color: oklch(47.2% 0.145 260.7);

Tailwind

colors: {
  custom: {
    50: '#7585c5',
    500: '#2757ab',
    950: '#000000',
  },
}

SCSS

$custom: #2757ab;
$custom-light: #7585c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2757ab",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 218.182,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47175,
    "c": 0.14468,
    "h": 260.7
  },
  "luminance": 0.10188
}

Semantic roles & 50–950 ramp

primary

#2757AB

secondary

#C5A369

accent

#AA42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2757AB

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

Preview Lab → · Contrast checker → · Palette generator →