#275CAF#275CAF

#275CAF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.144 H 259.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#275CAF
RGB	rgb(39, 92, 175)
HSL	hsl(217, 64%, 42%)
HSV	hsv(217, 78%, 69%)
CMYK	cmyk(77.7%, 47.4%, 0%, 31.4%)
CIE-LAB	lab(39.88, 12.72, -49.30)
CIE-LCH	lch(39.88, 50.92, 284.46°)
OKLab	oklab(48.57% -0.0269 -0.1416)
OKLCH	oklch(48.57% 0.144 259.2)
XYZ	xyz(12.3989, 11.1793, 42.0535)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275CAF #AF7A27

analogous

#27A0AF #275CAF #3627AF

triadic

#275CAF #AF275C #5CAF27

tetradic

#275CAF #AF27A0 #AF7A27 #27AF36

square

#275CAF #AF27A0 #AF7A27 #27AF36

split-complementary

#275CAF #AF3627 #A0AF27

monochromatic

#11274B #1C427D #275CAF #3F79D4 #719CDF

Accessibility & contrast

On white

6.49

#275CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#275CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275CAF

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275CAF	#FFFFFF	#000000	##FFFFFF
##275CAF	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F65B2

Deuteranopia (green-blind)

#0658AD

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275caf;
/* rgb */ color: rgb(39, 92, 175);
/* oklch */ color: oklch(48.6% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#7689c7',
    500: '#275caf',
    950: '#000000',
  },
}

SCSS

$custom: #275caf;
$custom-light: #7689c7;
$custom-dark: #000000;

JSON

{
  "hex": "#275caf",
  "rgb": {
    "r": 39,
    "g": 92,
    "b": 175
  },
  "hsl": {
    "h": 216.618,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4857,
    "c": 0.14409,
    "h": 259.2
  },
  "luminance": 0.11181
}

Semantic roles & 50–950 ramp

primary

#275CAF

secondary

#C6A36B

accent

#A641E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275CAF

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

Preview Lab → · Contrast checker → · Palette generator →