#254DB3#254DB3

#254DB3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.169 H 264.4°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#254DB3
RGB	rgb(37, 77, 179)
HSL	hsl(223, 66%, 42%)
HSV	hsv(223, 79%, 70%)
CMYK	cmyk(79.3%, 57%, 0%, 29.8%)
CIE-LAB	lab(35.90, 23.97, -58.12)
CIE-LCH	lch(35.90, 62.87, 292.41°)
OKLab	oklab(45.61% -0.0165 -0.1678)
OKLCH	oklch(45.61% 0.169 264.4)
XYZ	xyz(11.5506, 8.9544, 43.7587)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DB3 #B38B25

analogous

#2594B3 #254DB3 #4425B3

triadic

#254DB3 #B3254D #4DB325

tetradic

#254DB3 #B32594 #B38B25 #25B344

square

#254DB3 #B32594 #B38B25 #25B344

split-complementary

#254DB3 #B34425 #94B325

monochromatic

#10214E #1B3780 #254DB3 #3E69D7 #7191E2

Accessibility & contrast

On white

7.52

#254DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#254DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DB3

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DB3	#FFFFFF	#000000	##FFFFFF
##254DB3	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #254db3;
/* rgb */ color: rgb(37, 77, 179);
/* oklch */ color: oklch(45.6% 0.169 264.4);

Tailwind

colors: {
  custom: {
    50: '#777ecb',
    500: '#254db3',
    950: '#000000',
  },
}

SCSS

$custom: #254db3;
$custom-light: #777ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#254db3",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 223.099,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45608,
    "c": 0.1686,
    "h": 264.4
  },
  "luminance": 0.08956
}

Semantic roles & 50–950 ramp

primary

#254DB3

secondary

#C8AE6B

accent

#B93FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254DB3

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

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