#275AAE#275AAE

#275AAE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.145 H 259.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#275AAE
RGB	rgb(39, 90, 174)
HSL	hsl(217, 63%, 42%)
HSV	hsv(217, 78%, 68%)
CMYK	cmyk(77.6%, 48.3%, 0%, 31.8%)
CIE-LAB	lab(39.24, 13.64, -49.75)
CIE-LCH	lch(39.24, 51.58, 285.33°)
OKLab	oklab(48.06% -0.0254 -0.1429)
OKLCH	oklch(48.06% 0.145 259.9)
XYZ	xyz(12.1301, 10.7983, 41.4812)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AAE #AE7B27

analogous

#279EAE #275AAE #3727AE

triadic

#275AAE #AE275A #5AAE27

tetradic

#275AAE #AE279E #AE7B27 #27AE37

square

#275AAE #AE279E #AE7B27 #27AE37

split-complementary

#275AAE #AE3727 #9EAE27

monochromatic

#11264A #1C407C #275AAE #3E77D4 #709ADF

Accessibility & contrast

On white

6.65

#275AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#275AAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AAE

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AAE	#FFFFFF	#000000	##FFFFFF
##275AAE	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B1

Deuteranopia (green-blind)

#0057AC

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #275aae;
/* rgb */ color: rgb(39, 90, 174);
/* oklch */ color: oklch(48.1% 0.145 259.9);

Tailwind

colors: {
  custom: {
    50: '#7588c7',
    500: '#275aae',
    950: '#000000',
  },
}

SCSS

$custom: #275aae;
$custom-light: #7588c7;
$custom-dark: #000000;

JSON

{
  "hex": "#275aae",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 174
  },
  "hsl": {
    "h": 217.333,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48055,
    "c": 0.14514,
    "h": 259.9
  },
  "luminance": 0.108
}

Semantic roles & 50–950 ramp

primary

#275AAE

secondary

#C6A46B

accent

#A841E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275AAE

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

Preview Lab → · Contrast checker → · Palette generator →