#275AAA#275AAA

#275AAA is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.140 H 259.2°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#275AAA
RGB	rgb(39, 90, 170)
HSL	hsl(217, 63%, 41%)
HSV	hsv(217, 77%, 67%)
CMYK	cmyk(77.1%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(38.98, 12.09, -47.80)
CIE-LCH	lch(38.98, 49.31, 284.19°)
OKLab	oklab(47.77% -0.0261 -0.1372)
OKLCH	oklch(47.77% 0.14 259.2)
XYZ	xyz(11.7459, 10.6446, 39.4580)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AAA #AA7727

analogous

#279BAA #275AAA #3527AA

triadic

#275AAA #AA275A #5AAA27

tetradic

#275AAA #AA279B #AA7727 #27AA35

square

#275AAA #AA279B #AA7727 #27AA35

split-complementary

#275AAA #AA3527 #9BAA27

monochromatic

#102546 #1C4078 #275AAA #3C76D2 #6E99DE

Accessibility & contrast

On white

6.71

#275AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#275AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AAA

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AAA	#FFFFFF	#000000	##FFFFFF
##275AAA	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F62AD

Deuteranopia (green-blind)

#0C56A8

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #275aaa;
/* rgb */ color: rgb(39, 90, 170);
/* oklch */ color: oklch(47.8% 0.140 259.2);

Tailwind

colors: {
  custom: {
    50: '#7488c4',
    500: '#275aaa',
    950: '#000000',
  },
}

SCSS

$custom: #275aaa;
$custom-light: #7488c4;
$custom-dark: #000000;

JSON

{
  "hex": "#275aaa",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 216.641,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47768,
    "c": 0.13965,
    "h": 259.2
  },
  "luminance": 0.10646
}

Semantic roles & 50–950 ramp

primary

#275AAA

secondary

#C4A169

accent

#A642E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275AAA

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

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