#2751BC#2751BC

#2751BC is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.2% C 0.175 H 264.4°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2751BC
RGB	rgb(39, 81, 188)
HSL	hsl(223, 66%, 45%)
HSV	hsv(223, 79%, 74%)
CMYK	cmyk(79.3%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(37.74, 24.98, -60.40)
CIE-LCH	lch(37.74, 65.37, 292.47°)
OKLab	oklab(47.24% -0.0172 -0.1744)
OKLCH	oklch(47.24% 0.175 264.4)
XYZ	xyz(12.8530, 9.9455, 48.8095)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2751BC #BC9227

analogous

#279CBC #2751BC #4727BC

triadic

#2751BC #BC2751 #51BC27

tetradic

#2751BC #BC279C #BC9227 #27BC47

square

#2751BC #BC279C #BC9227 #27BC47

split-complementary

#2751BC #BC4727 #9CBC27

monochromatic

#122557 #1C3B89 #2751BC #4770D9 #7A98E3

Accessibility & contrast

On white

7.02

#2751BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2751BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2751BC

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2751BC	#FFFFFF	#000000	##FFFFFF
##2751BC	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2751bc;
/* rgb */ color: rgb(39, 81, 188);
/* oklch */ color: oklch(47.2% 0.175 264.4);

Tailwind

colors: {
  custom: {
    50: '#7981d1',
    500: '#2751bc',
    950: '#000000',
  },
}

SCSS

$custom: #2751bc;
$custom-light: #7981d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2751bc",
  "rgb": {
    "r": 39,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 223.087,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47238,
    "c": 0.17525,
    "h": 264.4
  },
  "luminance": 0.09947
}

Semantic roles & 50–950 ramp

primary

#2751BC

secondary

#CBB373

accent

#B93FE9

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2751BC

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

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