#275CB9#275CB9

#275CB9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.158 H 260.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#275CB9
RGB	rgb(39, 92, 185)
HSL	hsl(218, 65%, 44%)
HSV	hsv(218, 79%, 73%)
CMYK	cmyk(78.9%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(40.55, 16.59, -54.10)
CIE-LCH	lch(40.55, 56.58, 287.05°)
OKLab	oklab(49.3% -0.0254 -0.1557)
OKLCH	oklch(49.3% 0.158 260.7)
XYZ	xyz(13.4176, 11.5868, 47.4189)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275CB9 #B98427

analogous

#27A5B9 #275CB9 #3B27B9

triadic

#275CB9 #B9275C #5CB927

tetradic

#275CB9 #B927A5 #B98427 #27B93B

square

#275CB9 #B927A5 #B98427 #27B93B

split-complementary

#275CB9 #B93B27 #A5B927

monochromatic

#122A54 #1C4386 #275CB9 #457BD8 #789FE3

Accessibility & contrast

On white

6.33

#275CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#275CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275CB9

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275CB9	#FFFFFF	#000000	##FFFFFF
##275CB9	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2267BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #275cb9;
/* rgb */ color: rgb(39, 92, 185);
/* oklch */ color: oklch(49.3% 0.158 260.7);

Tailwind

colors: {
  custom: {
    50: '#7889cf',
    500: '#275cb9',
    950: '#000000',
  },
}

SCSS

$custom: #275cb9;
$custom-light: #7889cf;
$custom-dark: #000000;

JSON

{
  "hex": "#275cb9",
  "rgb": {
    "r": 39,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 218.219,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49299,
    "c": 0.15772,
    "h": 260.7
  },
  "luminance": 0.11588
}

Semantic roles & 50–950 ramp

primary

#275CB9

secondary

#CAAA72

accent

#AB40E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275CB9

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

Preview Lab → · Contrast checker → · Palette generator →