#275DA9#275DA9

#275DA9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.135 H 257.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#275DA9
RGB	rgb(39, 93, 169)
HSL	hsl(215, 63%, 41%)
HSV	hsv(215, 77%, 66%)
CMYK	cmyk(76.9%, 45%, 0%, 33.7%)
CIE-LAB	lab(39.79, 9.74, -45.91)
CIE-LCH	lch(39.79, 46.93, 281.98°)
OKLab	oklab(48.37% -0.0288 -0.1315)
OKLCH	oklch(48.37% 0.135 257.6)
XYZ	xyz(11.9099, 11.1232, 39.0477)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275DA9 #A97327

analogous

#279EA9 #275DA9 #3227A9

triadic

#275DA9 #A9275D #5DA927

tetradic

#275DA9 #A9279E #A97327 #27A932

square

#275DA9 #A9279E #A97327 #27A932

split-complementary

#275DA9 #A93227 #9EA927

monochromatic

#102646 #1C4277 #275DA9 #3B7AD2 #6D9CDD

Accessibility & contrast

On white

6.51

#275DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#275DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275DA9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275DA9	#FFFFFF	#000000	##FFFFFF
##275DA9	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AC

Deuteranopia (green-blind)

#1B58A7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275da9;
/* rgb */ color: rgb(39, 93, 169);
/* oklch */ color: oklch(48.4% 0.135 257.6);

Tailwind

colors: {
  custom: {
    50: '#748ac3',
    500: '#275da9',
    950: '#000000',
  },
}

SCSS

$custom: #275da9;
$custom-light: #748ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#275da9",
  "rgb": {
    "r": 39,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 215.077,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48374,
    "c": 0.13467,
    "h": 257.6
  },
  "luminance": 0.11125
}

Semantic roles & 50–950 ramp

primary

#275DA9

secondary

#C49E68

accent

#A242E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #275DA9

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

Preview Lab → · Contrast checker → · Palette generator →