#275CBC#275CBC

#275CBC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.162 H 261.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#275CBC
RGB	rgb(39, 92, 188)
HSL	hsl(219, 66%, 45%)
HSV	hsv(219, 79%, 74%)
CMYK	cmyk(79.3%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(40.76, 17.75, -55.51)
CIE-LCH	lch(40.76, 58.28, 287.73°)
OKLab	oklab(49.52% -0.025 -0.1598)
OKLCH	oklch(49.52% 0.162 261.1)
XYZ	xyz(13.7377, 11.7148, 49.1044)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275CBC #BC8727

analogous

#27A7BC #275CBC #3D27BC

triadic

#275CBC #BC275C #5CBC27

tetradic

#275CBC #BC27A7 #BC8727 #27BC3D

square

#275CBC #BC27A7 #BC8727 #27BC3D

split-complementary

#275CBC #BC3D27 #A7BC27

monochromatic

#122A57 #1C4389 #275CBC #477BD9 #7A9FE3

Accessibility & contrast

On white

6.28

#275CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#275CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275CBC

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275CBC	#FFFFFF	#000000	##FFFFFF
##275CBC	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BF

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #275cbc;
/* rgb */ color: rgb(39, 92, 188);
/* oklch */ color: oklch(49.5% 0.162 261.1);

Tailwind

colors: {
  custom: {
    50: '#7989d1',
    500: '#275cbc',
    950: '#000000',
  },
}

SCSS

$custom: #275cbc;
$custom-light: #7989d1;
$custom-dark: #000000;

JSON

{
  "hex": "#275cbc",
  "rgb": {
    "r": 39,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 218.658,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49524,
    "c": 0.16177,
    "h": 261.1
  },
  "luminance": 0.11716
}

Semantic roles & 50–950 ramp

primary

#275CBC

secondary

#CBAC73

accent

#AC3FE9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275CBC

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

Preview Lab → · Contrast checker → · Palette generator →