#275EBB#275EBB

#275EBB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.158 H 260.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#275EBB
RGB	rgb(39, 94, 187)
HSL	hsl(218, 65%, 44%)
HSV	hsv(218, 79%, 73%)
CMYK	cmyk(79.1%, 49.7%, 0%, 26.7%)
CIE-LAB	lab(41.25, 16.05, -54.13)
CIE-LCH	lch(41.25, 56.46, 286.52°)
OKLab	oklab(49.88% -0.0266 -0.1557)
OKLCH	oklch(49.88% 0.158 260.3)
XYZ	xyz(13.8058, 12.0230, 48.5971)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275EBB #BB8427

analogous

#27A8BB #275EBB #3A27BB

triadic

#275EBB #BB275E #5EBB27

tetradic

#275EBB #BB27A8 #BB8427 #27BB3A

square

#275EBB #BB27A8 #BB8427 #27BB3A

split-complementary

#275EBB #BB3A27 #A8BB27

monochromatic

#122B56 #1C4588 #275EBB #477DD9 #79A1E3

Accessibility & contrast

On white

6.17

#275EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#275EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275EBB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275EBB	#FFFFFF	#000000	##FFFFFF
##275EBB	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2668BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #275ebb;
/* rgb */ color: rgb(39, 94, 187);
/* oklch */ color: oklch(49.9% 0.158 260.3);

Tailwind

colors: {
  custom: {
    50: '#788bd0',
    500: '#275ebb',
    950: '#000000',
  },
}

SCSS

$custom: #275ebb;
$custom-light: #788bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#275ebb",
  "rgb": {
    "r": 39,
    "g": 94,
    "b": 187
  },
  "hsl": {
    "h": 217.703,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49879,
    "c": 0.15799,
    "h": 260.3
  },
  "luminance": 0.12025
}

Semantic roles & 50–950 ramp

primary

#275EBB

secondary

#CBAA73

accent

#AA3FE8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275EBB

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

Preview Lab → · Contrast checker → · Palette generator →