#254EA5#254EA5

#254EA5 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.148 H 262.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#254EA5
RGB	rgb(37, 78, 165)
HSL	hsl(221, 63%, 40%)
HSV	hsv(221, 78%, 65%)
CMYK	cmyk(77.6%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(35.12, 17.86, -51.05)
CIE-LCH	lch(35.12, 54.09, 289.28°)
OKLab	oklab(44.69% -0.0184 -0.147)
OKLCH	oklch(44.69% 0.148 262.9)
XYZ	xyz(10.2764, 8.5575, 36.7002)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254EA5 #A57C25

analogous

#258EA5 #254EA5 #3C25A5

triadic

#254EA5 #A5254E #4EA525

tetradic

#254EA5 #A5258E #A57C25 #25A53C

square

#254EA5 #A5258E #A57C25 #25A53C

split-complementary

#254EA5 #A53C25 #8EA525

monochromatic

#0F1F41 #1A3673 #254EA5 #3568D2 #678DDD

Accessibility & contrast

On white

7.74

#254EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#254EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254EA5

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254EA5	#FFFFFF	#000000	##FFFFFF
##254EA5	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1259A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #254ea5;
/* rgb */ color: rgb(37, 78, 165);
/* oklch */ color: oklch(44.7% 0.148 262.9);

Tailwind

colors: {
  custom: {
    50: '#737fc0',
    500: '#254ea5',
    950: '#000000',
  },
}

SCSS

$custom: #254ea5;
$custom-light: #737fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#254ea5",
  "rgb": {
    "r": 37,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 220.781,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44686,
    "c": 0.14815,
    "h": 262.9
  },
  "luminance": 0.08559
}

Semantic roles & 50–950 ramp

primary

#254EA5

secondary

#C3A463

accent

#B241E6

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #254EA5

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

Preview Lab → · Contrast checker → · Palette generator →