#275CAD#275CAD

#275CAD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.141 H 258.9°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#275CAD
RGB	rgb(39, 92, 173)
HSL	hsl(216, 63%, 42%)
HSV	hsv(216, 77%, 68%)
CMYK	cmyk(77.5%, 46.8%, 0%, 32.2%)
CIE-LAB	lab(39.75, 11.94, -48.33)
CIE-LCH	lch(39.75, 49.79, 283.88°)
OKLab	oklab(48.43% -0.0272 -0.1387)
OKLCH	oklch(48.43% 0.141 258.9)
XYZ	xyz(12.2039, 11.1013, 41.0266)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275CAD #AD7827

analogous

#279FAD #275CAD #3527AD

triadic

#275CAD #AD275C #5CAD27

tetradic

#275CAD #AD279F #AD7827 #27AD35

square

#275CAD #AD279F #AD7827 #27AD35

split-complementary

#275CAD #AD3527 #9FAD27

monochromatic

#102749 #1C417B #275CAD #3E79D3 #709CDF

Accessibility & contrast

On white

6.52

#275CAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#275CAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275CAD

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275CAD	#FFFFFF	#000000	##FFFFFF
##275CAD	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3064B0

Deuteranopia (green-blind)

#0E58AB

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275cad;
/* rgb */ color: rgb(39, 92, 173);
/* oklch */ color: oklch(48.4% 0.141 258.9);

Tailwind

colors: {
  custom: {
    50: '#7589c6',
    500: '#275cad',
    950: '#000000',
  },
}

SCSS

$custom: #275cad;
$custom-light: #7589c6;
$custom-dark: #000000;

JSON

{
  "hex": "#275cad",
  "rgb": {
    "r": 39,
    "g": 92,
    "b": 173
  },
  "hsl": {
    "h": 216.269,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48428,
    "c": 0.14135,
    "h": 258.9
  },
  "luminance": 0.11103
}

Semantic roles & 50–950 ramp

primary

#275CAD

secondary

#C6A16A

accent

#A542E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275CAD

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

Preview Lab → · Contrast checker → · Palette generator →