#275AA3#275AA3

#275AA3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.130 H 257.8°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#275AA3
RGB	rgb(39, 90, 163)
HSL	hsl(215, 61%, 40%)
HSV	hsv(215, 76%, 64%)
CMYK	cmyk(76.1%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(38.53, 9.37, -44.36)
CIE-LCH	lch(38.53, 45.34, 281.93°)
OKLab	oklab(47.28% -0.0274 -0.1271)
OKLCH	oklch(47.28% 0.13 257.8)
XYZ	xyz(11.1013, 10.3868, 36.0630)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AA3 #A37027

analogous

#2798A3 #275AA3 #3227A3

triadic

#275AA3 #A3275A #5AA327

tetradic

#275AA3 #A32798 #A37027 #27A332

square

#275AA3 #A32798 #A37027 #27A332

split-complementary

#275AA3 #A33227 #98A327

monochromatic

#0F2340 #1B3F72 #275AA3 #3876CF #6998DB

Accessibility & contrast

On white

6.82

#275AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#275AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AA3

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AA3	#FFFFFF	#000000	##FFFFFF
##275AA3	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A6

Deuteranopia (green-blind)

#1D55A2

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #275aa3;
/* rgb */ color: rgb(39, 90, 163);
/* oklch */ color: oklch(47.3% 0.130 257.8);

Tailwind

colors: {
  custom: {
    50: '#7388bf',
    500: '#275aa3',
    950: '#000000',
  },
}

SCSS

$custom: #275aa3;
$custom-light: #7388bf;
$custom-dark: #000000;

JSON

{
  "hex": "#275aa3",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 215.323,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47278,
    "c": 0.12997,
    "h": 257.8
  },
  "luminance": 0.10388
}

Semantic roles & 50–950 ramp

primary

#275AA3

secondary

#C19B64

accent

#A243E4

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #275AA3

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

Preview Lab → · Contrast checker → · Palette generator →