#275AAC#275AAC

#275AAC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.142 H 259.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#275AAC
RGB	rgb(39, 90, 172)
HSL	hsl(217, 63%, 41%)
HSV	hsv(217, 77%, 67%)
CMYK	cmyk(77.3%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(39.11, 12.86, -48.78)
CIE-LCH	lch(39.11, 50.45, 284.77°)
OKLab	oklab(47.91% -0.0257 -0.14)
OKLCH	oklch(47.91% 0.142 259.6)
XYZ	xyz(11.9366, 10.7208, 40.4620)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AAC #AC7927

analogous

#279DAC #275AAC #3627AC

triadic

#275AAC #AC275A #5AAC27

tetradic

#275AAC #AC279D #AC7927 #27AC36

square

#275AAC #AC279D #AC7927 #27AC36

split-complementary

#275AAC #AC3627 #9DAC27

monochromatic

#102648 #1C407A #275AAC #3D77D3 #6F9ADE

Accessibility & contrast

On white

6.68

#275AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#275AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AAC

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AAC	#FFFFFF	#000000	##FFFFFF
##275AAC	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63AF

Deuteranopia (green-blind)

#0556AA

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #275aac;
/* rgb */ color: rgb(39, 90, 172);
/* oklch */ color: oklch(47.9% 0.142 259.6);

Tailwind

colors: {
  custom: {
    50: '#7588c5',
    500: '#275aac',
    950: '#000000',
  },
}

SCSS

$custom: #275aac;
$custom-light: #7588c5;
$custom-dark: #000000;

JSON

{
  "hex": "#275aac",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 216.992,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47911,
    "c": 0.14239,
    "h": 259.6
  },
  "luminance": 0.10722
}

Semantic roles & 50–950 ramp

primary

#275AAC

secondary

#C5A26A

accent

#A742E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275AAC

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

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