#275EAB#275EAB

#275EAB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.7% C 0.136 H 257.6°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#275EAB
RGB	rgb(39, 94, 171)
HSL	hsl(215, 63%, 41%)
HSV	hsv(215, 77%, 67%)
CMYK	cmyk(77.2%, 45%, 0%, 32.9%)
CIE-LAB	lab(40.21, 9.86, -46.42)
CIE-LCH	lch(40.21, 47.46, 282.00°)
OKLab	oklab(48.74% -0.0293 -0.133)
OKLCH	oklch(48.74% 0.136 257.6)
XYZ	xyz(12.1874, 11.3756, 40.0736)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275EAB #AB7427

analogous

#27A0AB #275EAB #3227AB

triadic

#275EAB #AB275E #5EAB27

tetradic

#275EAB #AB27A0 #AB7427 #27AB32

square

#275EAB #AB27A0 #AB7427 #27AB32

split-complementary

#275EAB #AB3227 #A0AB27

monochromatic

#102747 #1C4379 #275EAB #3D7BD3 #6E9DDE

Accessibility & contrast

On white

6.41

#275EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#275EAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275EAB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275EAB	#FFFFFF	#000000	##FFFFFF
##275EAB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AE

Deuteranopia (green-blind)

#1B59A9

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275eab;
/* rgb */ color: rgb(39, 94, 171);
/* oklch */ color: oklch(48.7% 0.136 257.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#275eab",
  "rgb": {
    "r": 39,
    "g": 94,
    "b": 171
  },
  "hsl": {
    "h": 215,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48738,
    "c": 0.13623,
    "h": 257.6
  },
  "luminance": 0.11377
}

Semantic roles & 50–950 ramp

primary

#275EAB

secondary

#C59F69

accent

#A242E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275EAB

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

Preview Lab → · Contrast checker → · Palette generator →