#275DAE#275DAE

#275DAE is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.142 H 258.6°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#275DAE
RGB	rgb(39, 93, 174)
HSL	hsl(216, 63%, 42%)
HSV	hsv(216, 78%, 68%)
CMYK	cmyk(77.6%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.11, 11.68, -48.35)
CIE-LCH	lch(40.11, 49.74, 283.57°)
OKLab	oklab(48.72% -0.0279 -0.1387)
OKLCH	oklch(48.72% 0.142 258.6)
XYZ	xyz(12.3882, 11.3146, 41.5672)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275DAE #AE7827

analogous

#27A1AE #275DAE #3527AE

triadic

#275DAE #AE275D #5DAE27

tetradic

#275DAE #AE27A1 #AE7827 #27AE35

square

#275DAE #AE27A1 #AE7827 #27AE35

split-complementary

#275DAE #AE3527 #A1AE27

monochromatic

#11284A #1C427C #275DAE #3E7AD4 #709DDF

Accessibility & contrast

On white

6.44

#275DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#275DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275DAE

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275DAE	#FFFFFF	#000000	##FFFFFF
##275DAE	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3265B1

Deuteranopia (green-blind)

#1059AC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275dae;
/* rgb */ color: rgb(39, 93, 174);
/* oklch */ color: oklch(48.7% 0.142 258.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#275dae",
  "rgb": {
    "r": 39,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 216,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48722,
    "c": 0.14152,
    "h": 258.6
  },
  "luminance": 0.11316
}

Semantic roles & 50–950 ramp

primary

#275DAE

secondary

#C6A26B

accent

#A441E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275DAE

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

Preview Lab → · Contrast checker → · Palette generator →