#2751BF#2751BF

#2751BF is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.179 H 264.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2751BF
RGB	rgb(39, 81, 191)
HSL	hsl(223, 66%, 45%)
HSV	hsv(223, 80%, 75%)
CMYK	cmyk(79.6%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(37.98, 26.13, -61.78)
CIE-LCH	lch(37.98, 67.08, 292.93°)
OKLab	oklab(47.49% -0.017 -0.1784)
OKLCH	oklch(47.49% 0.179 264.6)
XYZ	xyz(13.1798, 10.0762, 50.5304)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2751BF #BF9527

analogous

#279DBF #2751BF #4927BF

triadic

#2751BF #BF2751 #51BF27

tetradic

#2751BF #BF279D #BF9527 #27BF49

square

#2751BF #BF279D #BF9527 #27BF49

split-complementary

#2751BF #BF4927 #9DBF27

monochromatic

#122659 #1D3B8C #2751BF #4971DA #7C99E4

Accessibility & contrast

On white

6.96

#2751BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2751BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2751BF

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2751BF	#FFFFFF	#000000	##FFFFFF
##2751BF	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2751bf;
/* rgb */ color: rgb(39, 81, 191);
/* oklch */ color: oklch(47.5% 0.179 264.6);

Tailwind

colors: {
  custom: {
    50: '#7a81d3',
    500: '#2751bf',
    950: '#000000',
  },
}

SCSS

$custom: #2751bf;
$custom-light: #7a81d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2751bf",
  "rgb": {
    "r": 39,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 223.421,
    "s": 66.087,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47488,
    "c": 0.17926,
    "h": 264.6
  },
  "luminance": 0.10078
}

Semantic roles & 50–950 ramp

primary

#2751BF

secondary

#CCB475

accent

#BA3FE9

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2751BF

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

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