#254FB5#254FB5

#254FB5 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.169 H 264.0°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#254FB5
RGB	rgb(37, 79, 181)
HSL	hsl(223, 66%, 43%)
HSV	hsv(223, 80%, 71%)
CMYK	cmyk(79.6%, 56.4%, 0%, 29%)
CIE-LAB	lab(36.59, 23.41, -58.16)
CIE-LCH	lch(36.59, 62.70, 291.93°)
OKLab	oklab(46.18% -0.0177 -0.1679)
OKLCH	oklch(46.18% 0.169 264)
XYZ	xyz(11.8965, 9.3201, 44.8791)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254FB5 #B58B25

analogous

#2597B5 #254FB5 #4325B5

triadic

#254FB5 #B5254F #4FB525

tetradic

#254FB5 #B52597 #B58B25 #25B543

square

#254FB5 #B52597 #B58B25 #25B543

split-complementary

#254FB5 #B54325 #97B525

monochromatic

#10234F #1B3982 #254FB5 #3F6CD8 #7293E2

Accessibility & contrast

On white

7.33

#254FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#254FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254FB5

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254FB5	#FFFFFF	#000000	##FFFFFF
##254FB5	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0050B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #254fb5;
/* rgb */ color: rgb(37, 79, 181);
/* oklch */ color: oklch(46.2% 0.169 264.0);

Tailwind

colors: {
  custom: {
    50: '#777fcc',
    500: '#254fb5',
    950: '#000000',
  },
}

SCSS

$custom: #254fb5;
$custom-light: #777fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#254fb5",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 222.5,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.46181,
    "c": 0.16883,
    "h": 264
  },
  "luminance": 0.09321
}

Semantic roles & 50–950 ramp

primary

#254FB5

secondary

#C9AE6D

accent

#B73FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #254FB5

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

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