#275FB3#275FB3

#275FB3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.5% C 0.146 H 258.7°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#275FB3
RGB	rgb(39, 95, 179)
HSL	hsl(216, 64%, 43%)
HSV	hsv(216, 78%, 70%)
CMYK	cmyk(78.2%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(41.01, 12.31, -49.85)
CIE-LCH	lch(41.01, 51.34, 283.87°)
OKLab	oklab(49.52% -0.0287 -0.1431)
OKLCH	oklch(49.52% 0.146 258.7)
XYZ	xyz(13.0626, 11.8689, 44.2416)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FB3 #B37B27

analogous

#27A5B3 #275FB3 #3527B3

triadic

#275FB3 #B3275F #5FB327

tetradic

#275FB3 #B327A5 #B37B27 #27B335

square

#275FB3 #B327A5 #B37B27 #27B335

split-complementary

#275FB3 #B33527 #A5B327

monochromatic

#112A4E #1C4481 #275FB3 #417DD6 #749FE1

Accessibility & contrast

On white

6.22

#275FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#275FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FB3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FB3	#FFFFFF	#000000	##FFFFFF
##275FB3	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B6

Deuteranopia (green-blind)

#0A5BB1

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #275fb3;
/* rgb */ color: rgb(39, 95, 179);
/* oklch */ color: oklch(49.5% 0.146 258.7);

Tailwind

colors: {
  custom: {
    50: '#768bca',
    500: '#275fb3',
    950: '#000000',
  },
}

SCSS

$custom: #275fb3;
$custom-light: #768bca;
$custom-dark: #000000;

JSON

{
  "hex": "#275fb3",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 216,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4952,
    "c": 0.14594,
    "h": 258.7
  },
  "luminance": 0.1187
}

Semantic roles & 50–950 ramp

primary

#275FB3

secondary

#C8A46E

accent

#A541E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #275FB3

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

Preview Lab → · Contrast checker → · Palette generator →