#275EBC#275EBC

#275EBC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.159 H 260.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#275EBC
RGB	rgb(39, 94, 188)
HSL	hsl(218, 66%, 45%)
HSV	hsv(218, 79%, 74%)
CMYK	cmyk(79.3%, 50%, 0%, 26.3%)
CIE-LAB	lab(41.32, 16.44, -54.61)
CIE-LCH	lch(41.32, 57.03, 286.75°)
OKLab	oklab(49.95% -0.0265 -0.1571)
OKLCH	oklch(49.95% 0.159 260.4)
XYZ	xyz(13.9132, 12.0659, 49.1629)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275EBC #BC8527

analogous

#27A9BC #275EBC #3A27BC

triadic

#275EBC #BC275E #5EBC27

tetradic

#275EBC #BC27A9 #BC8527 #27BC3A

square

#275EBC #BC27A9 #BC8527 #27BC3A

split-complementary

#275EBC #BC3A27 #A9BC27

monochromatic

#122B57 #1C4589 #275EBC #477DD9 #7AA1E3

Accessibility & contrast

On white

6.15

#275EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#275EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275EBC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275EBC	#FFFFFF	#000000	##FFFFFF
##275EBC	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2469BF

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #275ebc;
/* rgb */ color: rgb(39, 94, 188);
/* oklch */ color: oklch(50.0% 0.159 260.4);

Tailwind

colors: {
  custom: {
    50: '#788bd1',
    500: '#275ebc',
    950: '#000000',
  },
}

SCSS

$custom: #275ebc;
$custom-light: #788bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#275ebc",
  "rgb": {
    "r": 39,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 217.852,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49953,
    "c": 0.15934,
    "h": 260.4
  },
  "luminance": 0.12068
}

Semantic roles & 50–950 ramp

primary

#275EBC

secondary

#CBAB73

accent

#AA3FE9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275EBC

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

Preview Lab → · Contrast checker → · Palette generator →