#275DBA#275DBA

#275DBA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.158 H 260.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#275DBA
RGB	rgb(39, 93, 186)
HSL	hsl(218, 65%, 44%)
HSV	hsv(218, 79%, 73%)
CMYK	cmyk(79%, 50%, 0%, 27.1%)
CIE-LAB	lab(40.90, 16.32, -54.11)
CIE-LCH	lch(40.90, 56.52, 286.78°)
OKLab	oklab(49.59% -0.026 -0.1557)
OKLCH	oklch(49.59% 0.158 260.5)
XYZ	xyz(13.6108, 11.8036, 48.0058)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275DBA #BA8427

analogous

#27A7BA #275DBA #3B27BA

triadic

#275DBA #BA275D #5DBA27

tetradic

#275DBA #BA27A7 #BA8427 #27BA3B

square

#275DBA #BA27A7 #BA8427 #27BA3B

split-complementary

#275DBA #BA3B27 #A7BA27

monochromatic

#122A55 #1C4487 #275DBA #467CD8 #79A0E3

Accessibility & contrast

On white

6.25

#275DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#275DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275DBA

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275DBA	#FFFFFF	#000000	##FFFFFF
##275DBA	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #275dba;
/* rgb */ color: rgb(39, 93, 186);
/* oklch */ color: oklch(49.6% 0.158 260.5);

Tailwind

colors: {
  custom: {
    50: '#788acf',
    500: '#275dba',
    950: '#000000',
  },
}

SCSS

$custom: #275dba;
$custom-light: #788acf;
$custom-dark: #000000;

JSON

{
  "hex": "#275dba",
  "rgb": {
    "r": 39,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 217.959,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49589,
    "c": 0.15785,
    "h": 260.5
  },
  "luminance": 0.11805
}

Semantic roles & 50–950 ramp

primary

#275DBA

secondary

#CBAA72

accent

#AA40E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275DBA

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

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