#275AB0#275AB0

#275AB0 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.148 H 260.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#275AB0
RGB	rgb(39, 90, 176)
HSL	hsl(218, 64%, 42%)
HSV	hsv(218, 78%, 69%)
CMYK	cmyk(77.8%, 48.9%, 0%, 31%)
CIE-LAB	lab(39.37, 14.41, -50.71)
CIE-LCH	lch(39.37, 52.72, 285.87°)
OKLab	oklab(48.2% -0.0251 -0.1457)
OKLCH	oklch(48.2% 0.148 260.2)
XYZ	xyz(12.3265, 10.8768, 42.5157)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AB0 #B07D27

analogous

#279FB0 #275AB0 #3827B0

triadic

#275AB0 #B0275A #5AB027

tetradic

#275AB0 #B0279F #B07D27 #27B038

square

#275AB0 #B0279F #B07D27 #27B038

split-complementary

#275AB0 #B03827 #9FB027

monochromatic

#11274C #1C407E #275AB0 #4077D5 #729BE0

Accessibility & contrast

On white

6.61

#275AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#275AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AB0

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AB0	#FFFFFF	#000000	##FFFFFF
##275AB0	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2963B3

Deuteranopia (green-blind)

#0057AE

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #275ab0;
/* rgb */ color: rgb(39, 90, 176);
/* oklch */ color: oklch(48.2% 0.148 260.2);

Tailwind

colors: {
  custom: {
    50: '#7688c8',
    500: '#275ab0',
    950: '#000000',
  },
}

SCSS

$custom: #275ab0;
$custom-light: #7688c8;
$custom-dark: #000000;

JSON

{
  "hex": "#275ab0",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 176
  },
  "hsl": {
    "h": 217.664,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.482,
    "c": 0.14789,
    "h": 260.2
  },
  "luminance": 0.10878
}

Semantic roles & 50–950 ramp

primary

#275AB0

secondary

#C7A56C

accent

#A941E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275AB0

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

Preview Lab → · Contrast checker → · Palette generator →