#254EB3#254EB3

#254EB3 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.167 H 264.1°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#254EB3
RGB	rgb(37, 78, 179)
HSL	hsl(223, 66%, 42%)
HSV	hsv(223, 79%, 70%)
CMYK	cmyk(79.3%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(36.17, 23.31, -57.68)
CIE-LCH	lch(36.17, 62.21, 292.00°)
OKLab	oklab(45.81% -0.0171 -0.1665)
OKLCH	oklch(45.81% 0.167 264.1)
XYZ	xyz(11.6211, 9.0954, 43.7822)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254EB3 #B38A25

analogous

#2595B3 #254EB3 #4325B3

triadic

#254EB3 #B3254E #4EB325

tetradic

#254EB3 #B32595 #B38A25 #25B343

square

#254EB3 #B32595 #B38A25 #25B343

split-complementary

#254EB3 #B34325 #95B325

monochromatic

#10224E #1B3880 #254EB3 #3E6AD7 #7191E2

Accessibility & contrast

On white

7.45

#254EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#254EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254EB3

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254EB3	#FFFFFF	#000000	##FFFFFF
##254EB3	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB6

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #254eb3;
/* rgb */ color: rgb(37, 78, 179);
/* oklch */ color: oklch(45.8% 0.167 264.1);

Tailwind

colors: {
  custom: {
    50: '#777fcb',
    500: '#254eb3',
    950: '#000000',
  },
}

SCSS

$custom: #254eb3;
$custom-light: #777fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#254eb3",
  "rgb": {
    "r": 37,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 222.676,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45812,
    "c": 0.16736,
    "h": 264.1
  },
  "luminance": 0.09097
}

Semantic roles & 50–950 ramp

primary

#254EB3

secondary

#C8AE6B

accent

#B83FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #254EB3

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

Preview Lab → · Contrast checker → · Palette generator →