#275FBA#275FBA

#275FBA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.0% C 0.155 H 259.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#275FBA
RGB	rgb(39, 95, 186)
HSL	hsl(217, 65%, 44%)
HSV	hsv(217, 79%, 73%)
CMYK	cmyk(79%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(41.47, 15.01, -53.20)
CIE-LCH	lch(41.47, 55.28, 285.76°)
OKLab	oklab(50.02% -0.0276 -0.153)
OKLCH	oklch(50.02% 0.155 259.8)
XYZ	xyz(13.7886, 12.1593, 48.0651)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FBA #BA8227

analogous

#27A9BA #275FBA #3927BA

triadic

#275FBA #BA275F #5FBA27

tetradic

#275FBA #BA27A9 #BA8227 #27BA39

square

#275FBA #BA27A9 #BA8227 #27BA39

split-complementary

#275FBA #BA3927 #A9BA27

monochromatic

#122B55 #1C4587 #275FBA #467ED8 #79A1E3

Accessibility & contrast

On white

6.12

#275FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#275FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FBA

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FBA	#FFFFFF	#000000	##FFFFFF
##275FBA	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A69BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #275fba;
/* rgb */ color: rgb(39, 95, 186);
/* oklch */ color: oklch(50.0% 0.155 259.8);

Tailwind

colors: {
  custom: {
    50: '#788bcf',
    500: '#275fba',
    950: '#000000',
  },
}

SCSS

$custom: #275fba;
$custom-light: #788bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#275fba",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 217.143,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50023,
    "c": 0.15543,
    "h": 259.8
  },
  "luminance": 0.12161
}

Semantic roles & 50–950 ramp

primary

#275FBA

secondary

#CBA972

accent

#A840E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #275FBA

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

Preview Lab → · Contrast checker → · Palette generator →