#275FBC#275FBC

#275FBC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.158 H 260.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#275FBC
RGB	rgb(39, 95, 188)
HSL	hsl(217, 66%, 45%)
HSV	hsv(217, 79%, 74%)
CMYK	cmyk(79.3%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(41.60, 15.79, -54.15)
CIE-LCH	lch(41.60, 56.40, 286.25°)
OKLab	oklab(50.17% -0.0273 -0.1558)
OKLCH	oklch(50.17% 0.158 260.1)
XYZ	xyz(14.0027, 12.2449, 49.1927)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FBC #BC8427

analogous

#27AABC #275FBC #3A27BC

triadic

#275FBC #BC275F #5FBC27

tetradic

#275FBC #BC27AA #BC8427 #27BC3A

square

#275FBC #BC27AA #BC8427 #27BC3A

split-complementary

#275FBC #BC3A27 #AABC27

monochromatic

#122C57 #1C4589 #275FBC #477ED9 #7AA2E3

Accessibility & contrast

On white

6.09

#275FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#275FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FBC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FBC	#FFFFFF	#000000	##FFFFFF
##275FBC	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2769BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #275fbc;
/* rgb */ color: rgb(39, 95, 188);
/* oklch */ color: oklch(50.2% 0.158 260.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#275fbc",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 217.45,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50169,
    "c": 0.15813,
    "h": 260.1
  },
  "luminance": 0.12247
}

Semantic roles & 50–950 ramp

primary

#275FBC

secondary

#CBAA73

accent

#A93FE9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #275FBC

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

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