#2757AD#2757AD

#2757AD is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.147 H 261.0°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2757AD
RGB	rgb(39, 87, 173)
HSL	hsl(219, 63%, 42%)
HSV	hsv(219, 77%, 68%)
CMYK	cmyk(77.5%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(38.31, 15.23, -50.65)
CIE-LCH	lch(38.31, 52.89, 286.73°)
OKLab	oklab(47.32% -0.0231 -0.1456)
OKLCH	oklch(47.32% 0.147 261)
XYZ	xyz(11.7850, 10.2635, 40.8870)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757AD #AD7D27

analogous

#279AAD #2757AD #3A27AD

triadic

#2757AD #AD2757 #57AD27

tetradic

#2757AD #AD279A #AD7D27 #27AD3A

square

#2757AD #AD279A #AD7D27 #27AD3A

split-complementary

#2757AD #AD3A27 #9AAD27

monochromatic

#102549 #1C3E7B #2757AD #3E73D3 #7097DF

Accessibility & contrast

On white

6.88

#2757AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2757AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757AD

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757AD	#FFFFFF	#000000	##FFFFFF
##2757AD	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2461B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2757ad;
/* rgb */ color: rgb(39, 87, 173);
/* oklch */ color: oklch(47.3% 0.147 261.0);

Tailwind

colors: {
  custom: {
    50: '#7585c6',
    500: '#2757ad',
    950: '#000000',
  },
}

SCSS

$custom: #2757ad;
$custom-light: #7585c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2757ad",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 218.507,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47322,
    "c": 0.14744,
    "h": 261
  },
  "luminance": 0.10265
}

Semantic roles & 50–950 ramp

primary

#2757AD

secondary

#C6A56A

accent

#AB42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2757AD

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

Preview Lab → · Contrast checker → · Palette generator →