#275FAB#275FAB

#275FAB is a mid, vivid cyan. Relative luminance 0.116; OKLCH L 49.0% C 0.135 H 257.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#275FAB
RGB	rgb(39, 95, 171)
HSL	hsl(215, 63%, 41%)
HSV	hsv(215, 77%, 67%)
CMYK	cmyk(77.2%, 44.4%, 0%, 32.9%)
CIE-LAB	lab(40.50, 9.22, -45.95)
CIE-LCH	lch(40.50, 46.87, 281.34°)
OKLab	oklab(48.97% -0.0302 -0.1316)
OKLCH	oklch(48.97% 0.135 257.1)
XYZ	xyz(12.2769, 11.5546, 40.1034)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FAB #AB7327

analogous

#27A1AB #275FAB #3127AB

triadic

#275FAB #AB275F #5FAB27

tetradic

#275FAB #AB27A1 #AB7327 #27AB31

square

#275FAB #AB27A1 #AB7327 #27AB31

split-complementary

#275FAB #AB3127 #A1AB27

monochromatic

#102847 #1C4379 #275FAB #3D7CD3 #6E9EDE

Accessibility & contrast

On white

6.34

#275FAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#275FAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FAB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FAB	#FFFFFF	#000000	##FFFFFF
##275FAB	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3866AE

Deuteranopia (green-blind)

#1E5AA9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275fab;
/* rgb */ color: rgb(39, 95, 171);
/* oklch */ color: oklch(49.0% 0.135 257.1);

Tailwind

colors: {
  custom: {
    50: '#758bc4',
    500: '#275fab',
    950: '#000000',
  },
}

SCSS

$custom: #275fab;
$custom-light: #758bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#275fab",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 171
  },
  "hsl": {
    "h": 214.545,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48965,
    "c": 0.13505,
    "h": 257.1
  },
  "luminance": 0.11556
}

Semantic roles & 50–950 ramp

primary

#275FAB

secondary

#C59E69

accent

#A042E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #275FAB

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

Preview Lab → · Contrast checker → · Palette generator →