#275FB4#275FB4

#275FB4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.147 H 258.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#275FB4
RGB	rgb(39, 95, 180)
HSL	hsl(216, 64%, 43%)
HSV	hsv(216, 78%, 71%)
CMYK	cmyk(78.3%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.07, 12.70, -50.33)
CIE-LCH	lch(41.07, 51.90, 284.16°)
OKLab	oklab(49.59% -0.0285 -0.1445)
OKLCH	oklch(49.59% 0.147 258.8)
XYZ	xyz(13.1641, 11.9095, 44.7761)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FB4 #B47C27

analogous

#27A6B4 #275FB4 #3527B4

triadic

#275FB4 #B4275F #5FB427

tetradic

#275FB4 #B427A6 #B47C27 #27B435

square

#275FB4 #B427A6 #B47C27 #27B435

split-complementary

#275FB4 #B43527 #A6B427

monochromatic

#112A4F #1C4482 #275FB4 #427DD6 #74A0E1

Accessibility & contrast

On white

6.21

#275FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#275FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FB4

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FB4	#FFFFFF	#000000	##FFFFFF
##275FB4	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B7

Deuteranopia (green-blind)

#065BB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #275fb4;
/* rgb */ color: rgb(39, 95, 180);
/* oklch */ color: oklch(49.6% 0.147 258.8);

Tailwind

colors: {
  custom: {
    50: '#778bcb',
    500: '#275fb4',
    950: '#000000',
  },
}

SCSS

$custom: #275fb4;
$custom-light: #778bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#275fb4",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 216.17,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49591,
    "c": 0.1473,
    "h": 258.8
  },
  "luminance": 0.11911
}

Semantic roles & 50–950 ramp

primary

#275FB4

secondary

#C8A56F

accent

#A540E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #275FB4

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

Preview Lab → · Contrast checker → · Palette generator →