#275BA4#275BA4

#275BA4 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.6% C 0.130 H 257.6°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#275BA4
RGB	rgb(39, 91, 164)
HSL	hsl(215, 62%, 40%)
HSV	hsv(215, 76%, 64%)
CMYK	cmyk(76.2%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(38.89, 9.11, -44.39)
CIE-LCH	lch(38.89, 45.31, 281.60°)
OKLab	oklab(47.58% -0.028 -0.1271)
OKLCH	oklch(47.58% 0.13 257.6)
XYZ	xyz(11.2762, 10.5926, 36.5650)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275BA4 #A47027

analogous

#279AA4 #275BA4 #3227A4

triadic

#275BA4 #A4275B #5BA427

tetradic

#275BA4 #A4279A #A47027 #27A432

square

#275BA4 #A4279A #A47027 #27A432

split-complementary

#275BA4 #A43227 #9AA427

monochromatic

#0F2441 #1B4073 #275BA4 #3877D0 #6A99DC

Accessibility & contrast

On white

6.73

#275BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#275BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275BA4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275BA4	#FFFFFF	#000000	##FFFFFF
##275BA4	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3662A7

Deuteranopia (green-blind)

#1E56A3

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #275ba4;
/* rgb */ color: rgb(39, 91, 164);
/* oklch */ color: oklch(47.6% 0.130 257.6);

Tailwind

colors: {
  custom: {
    50: '#7388bf',
    500: '#275ba4',
    950: '#000000',
  },
}

SCSS

$custom: #275ba4;
$custom-light: #7388bf;
$custom-dark: #000000;

JSON

{
  "hex": "#275ba4",
  "rgb": {
    "r": 39,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 215.04,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47575,
    "c": 0.13017,
    "h": 257.6
  },
  "luminance": 0.10594
}

Semantic roles & 50–950 ramp

primary

#275BA4

secondary

#C29B65

accent

#A143E5

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #275BA4

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

Preview Lab → · Contrast checker → · Palette generator →