#275CAB#275CAB

#275CAB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.139 H 258.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#275CAB
RGB	rgb(39, 92, 171)
HSL	hsl(216, 63%, 41%)
HSV	hsv(216, 77%, 67%)
CMYK	cmyk(77.2%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(39.62, 11.17, -47.36)
CIE-LCH	lch(39.62, 48.66, 283.27°)
OKLab	oklab(48.29% -0.0276 -0.1358)
OKLCH	oklch(48.29% 0.139 258.5)
XYZ	xyz(12.0118, 11.0245, 40.0151)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275CAB #AB7627

analogous

#279EAB #275CAB #3427AB

triadic

#275CAB #AB275C #5CAB27

tetradic

#275CAB #AB279E #AB7627 #27AB34

square

#275CAB #AB279E #AB7627 #27AB34

split-complementary

#275CAB #AB3427 #9EAB27

monochromatic

#102647 #1C4179 #275CAB #3D79D3 #6E9BDE

Accessibility & contrast

On white

6.55

#275CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#275CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275CAB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275CAB	#FFFFFF	#000000	##FFFFFF
##275CAB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3264AE

Deuteranopia (green-blind)

#1358A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #275cab;
/* rgb */ color: rgb(39, 92, 171);
/* oklch */ color: oklch(48.3% 0.139 258.5);

Tailwind

colors: {
  custom: {
    50: '#7589c4',
    500: '#275cab',
    950: '#000000',
  },
}

SCSS

$custom: #275cab;
$custom-light: #7589c4;
$custom-dark: #000000;

JSON

{
  "hex": "#275cab",
  "rgb": {
    "r": 39,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 215.909,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48287,
    "c": 0.1386,
    "h": 258.5
  },
  "luminance": 0.11026
}

Semantic roles & 50–950 ramp

primary

#275CAB

secondary

#C5A069

accent

#A442E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275CAB

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

Preview Lab → · Contrast checker → · Palette generator →