#2758BB#2758BB

#2758BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.165 H 262.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#2758BB
RGB	rgb(39, 88, 187)
HSL	hsl(220, 65%, 44%)
HSV	hsv(220, 79%, 73%)
CMYK	cmyk(79.1%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.58, 19.99, -56.84)
CIE-LCH	lch(39.58, 60.25, 289.37°)
OKLab	oklab(48.6% -0.0221 -0.1638)
OKLCH	oklch(48.6% 0.165 262.3)
XYZ	xyz(13.2928, 10.9971, 48.4261)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2758BB #BB8A27

analogous

#27A2BB #2758BB #4027BB

triadic

#2758BB #BB2758 #58BB27

tetradic

#2758BB #BB27A2 #BB8A27 #27BB40

square

#2758BB #BB27A2 #BB8A27 #27BB40

split-complementary

#2758BB #BB4027 #A2BB27

monochromatic

#122856 #1C4088 #2758BB #4777D9 #799CE3

Accessibility & contrast

On white

6.56

#2758BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2758BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2758BB

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2758BB	#FFFFFF	#000000	##FFFFFF
##2758BB	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D64BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2758bb;
/* rgb */ color: rgb(39, 88, 187);
/* oklch */ color: oklch(48.6% 0.165 262.3);

Tailwind

colors: {
  custom: {
    50: '#7886d0',
    500: '#2758bb',
    950: '#000000',
  },
}

SCSS

$custom: #2758bb;
$custom-light: #7886d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2758bb",
  "rgb": {
    "r": 39,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 220.135,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48599,
    "c": 0.16531,
    "h": 262.3
  },
  "luminance": 0.10999
}

Semantic roles & 50–950 ramp

primary

#2758BB

secondary

#CBAE73

accent

#B03FE8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2758BB

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

Preview Lab → · Contrast checker → · Palette generator →