#275DAF#275DAF

#275DAF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.143 H 258.8°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#275DAF
RGB	rgb(39, 93, 175)
HSL	hsl(216, 64%, 42%)
HSV	hsv(216, 78%, 69%)
CMYK	cmyk(77.7%, 46.9%, 0%, 31.4%)
CIE-LAB	lab(40.17, 12.06, -48.84)
CIE-LCH	lch(40.17, 50.31, 283.87°)
OKLab	oklab(48.79% -0.0277 -0.1402)
OKLCH	oklch(48.79% 0.143 258.8)
XYZ	xyz(12.4861, 11.3537, 42.0826)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275DAF #AF7927

analogous

#27A1AF #275DAF #3527AF

triadic

#275DAF #AF275D #5DAF27

tetradic

#275DAF #AF27A1 #AF7927 #27AF35

square

#275DAF #AF27A1 #AF7927 #27AF35

split-complementary

#275DAF #AF3527 #A1AF27

monochromatic

#11284B #1C427D #275DAF #3F7AD4 #719DDF

Accessibility & contrast

On white

6.42

#275DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#275DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275DAF

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275DAF	#FFFFFF	#000000	##FFFFFF
##275DAF	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3165B2

Deuteranopia (green-blind)

#0D59AD

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275daf;
/* rgb */ color: rgb(39, 93, 175);
/* oklch */ color: oklch(48.8% 0.143 258.8);

Tailwind

colors: {
  custom: {
    50: '#758ac7',
    500: '#275daf',
    950: '#000000',
  },
}

SCSS

$custom: #275daf;
$custom-light: #758ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#275daf",
  "rgb": {
    "r": 39,
    "g": 93,
    "b": 175
  },
  "hsl": {
    "h": 216.176,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48792,
    "c": 0.14289,
    "h": 258.8
  },
  "luminance": 0.11355
}

Semantic roles & 50–950 ramp

primary

#275DAF

secondary

#C6A26B

accent

#A541E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275DAF

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

Preview Lab → · Contrast checker → · Palette generator →