#275EA3#275EA3

#275EA3 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.2% C 0.125 H 255.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#275EA3
RGB	rgb(39, 94, 163)
HSL	hsl(213, 61%, 40%)
HSV	hsv(213, 76%, 64%)
CMYK	cmyk(76.1%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(39.71, 6.78, -42.47)
CIE-LCH	lch(39.71, 43.00, 279.07°)
OKLab	oklab(48.2% -0.031 -0.1214)
OKLCH	oklch(48.2% 0.125 255.7)
XYZ	xyz(11.4478, 11.0798, 36.1785)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275EA3 #A36C27

analogous

#279CA3 #275EA3 #2E27A3

triadic

#275EA3 #A3275E #5EA327

tetradic

#275EA3 #A3279C #A36C27 #27A32E

square

#275EA3 #A3279C #A36C27 #27A32E

split-complementary

#275EA3 #A32E27 #9CA327

monochromatic

#0F2540 #1B4272 #275EA3 #387BCF #699CDB

Accessibility & contrast

On white

6.53

#275EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#275EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275EA3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275EA3	#FFFFFF	#000000	##FFFFFF
##275EA3	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A6

Deuteranopia (green-blind)

#2758A2

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275ea3;
/* rgb */ color: rgb(39, 94, 163);
/* oklch */ color: oklch(48.2% 0.125 255.7);

Tailwind

colors: {
  custom: {
    50: '#738bbf',
    500: '#275ea3',
    950: '#000000',
  },
}

SCSS

$custom: #275ea3;
$custom-light: #738bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#275ea3",
  "rgb": {
    "r": 39,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 213.387,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48198,
    "c": 0.1253,
    "h": 255.7
  },
  "luminance": 0.11081
}

Semantic roles & 50–950 ramp

primary

#275EA3

secondary

#C19864

accent

#9D43E4

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #275EA3

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

Preview Lab → · Contrast checker → · Palette generator →