#2758BC#2758BC

#2758BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.167 H 262.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2758BC
RGB	rgb(39, 88, 188)
HSL	hsl(220, 66%, 45%)
HSV	hsv(220, 79%, 74%)
CMYK	cmyk(79.3%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(39.65, 20.37, -57.31)
CIE-LCH	lch(39.65, 60.82, 289.57°)
OKLab	oklab(48.68% -0.022 -0.1652)
OKLCH	oklch(48.68% 0.167 262.4)
XYZ	xyz(13.4003, 11.0400, 48.9919)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2758BC #BC8B27

analogous

#27A3BC #2758BC #4027BC

triadic

#2758BC #BC2758 #58BC27

tetradic

#2758BC #BC27A3 #BC8B27 #27BC40

square

#2758BC #BC27A3 #BC8B27 #27BC40

split-complementary

#2758BC #BC4027 #A3BC27

monochromatic

#122957 #1C4089 #2758BC #4777D9 #7A9DE3

Accessibility & contrast

On white

6.55

#2758BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2758BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2758BC

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2758BC	#FFFFFF	#000000	##FFFFFF
##2758BC	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0965C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2758bc;
/* rgb */ color: rgb(39, 88, 188);
/* oklch */ color: oklch(48.7% 0.167 262.4);

Tailwind

colors: {
  custom: {
    50: '#7986d1',
    500: '#2758bc',
    950: '#000000',
  },
}

SCSS

$custom: #2758bc;
$custom-light: #7986d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2758bc",
  "rgb": {
    "r": 39,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 220.268,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48677,
    "c": 0.16667,
    "h": 262.4
  },
  "luminance": 0.11042
}

Semantic roles & 50–950 ramp

primary

#2758BC

secondary

#CBAE73

accent

#B13FE9

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2758BC

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

Preview Lab → · Contrast checker → · Palette generator →