#275AB6#275AB6

#275AB6 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.156 H 261.1°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#275AB6
RGB	rgb(39, 90, 182)
HSL	hsl(219, 65%, 43%)
HSV	hsv(219, 79%, 71%)
CMYK	cmyk(78.6%, 50.5%, 0%, 28.6%)
CIE-LAB	lab(39.78, 16.74, -53.58)
CIE-LCH	lch(39.78, 56.14, 287.35°)
OKLab	oklab(48.64% -0.0242 -0.1542)
OKLCH	oklch(48.64% 0.156 261.1)
XYZ	xyz(12.9333, 11.1196, 45.7116)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AB6 #B68327

analogous

#27A1B6 #275AB6 #3B27B6

triadic

#275AB6 #B6275A #5AB627

tetradic

#275AB6 #B627A1 #B68327 #27B63B

square

#275AB6 #B627A1 #B68327 #27B63B

split-complementary

#275AB6 #B63B27 #A1B627

monochromatic

#112851 #1C4184 #275AB6 #4378D7 #769CE2

Accessibility & contrast

On white

6.51

#275AB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#275AB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AB6

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AB6	#FFFFFF	#000000	##FFFFFF
##275AB6	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2165B9

Deuteranopia (green-blind)

#0058B4

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275ab6;
/* rgb */ color: rgb(39, 90, 182);
/* oklch */ color: oklch(48.6% 0.156 261.1);

Tailwind

colors: {
  custom: {
    50: '#7788cc',
    500: '#275ab6',
    950: '#000000',
  },
}

SCSS

$custom: #275ab6;
$custom-light: #7788cc;
$custom-dark: #000000;

JSON

{
  "hex": "#275ab6",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 182
  },
  "hsl": {
    "h": 218.601,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48644,
    "c": 0.15609,
    "h": 261.1
  },
  "luminance": 0.11121
}

Semantic roles & 50–950 ramp

primary

#275AB6

secondary

#C9A970

accent

#AC40E8

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275AB6

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

Preview Lab → · Contrast checker → · Palette generator →