#254DB1#254DB1

#254DB1 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.166 H 264.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#254DB1
RGB	rgb(37, 77, 177)
HSL	hsl(223, 65%, 42%)
HSV	hsv(223, 79%, 69%)
CMYK	cmyk(79.1%, 56.5%, 0%, 30.6%)
CIE-LAB	lab(35.74, 23.20, -57.19)
CIE-LCH	lch(35.74, 61.71, 292.08°)
OKLab	oklab(45.44% -0.0166 -0.1651)
OKLCH	oklch(45.44% 0.166 264.3)
XYZ	xyz(11.3498, 8.8741, 42.7011)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DB1 #B18925

analogous

#2593B1 #254DB1 #4325B1

triadic

#254DB1 #B1254D #4DB125

tetradic

#254DB1 #B12593 #B18925 #25B143

square

#254DB1 #B12593 #B18925 #25B143

split-complementary

#254DB1 #B14325 #93B125

monochromatic

#10214C #1A377E #254DB1 #3D69D6 #6F90E1

Accessibility & contrast

On white

7.57

#254DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#254DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DB1

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DB1	#FFFFFF	#000000	##FFFFFF
##254DB1	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB4

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #254db1;
/* rgb */ color: rgb(37, 77, 177);
/* oklch */ color: oklch(45.4% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#767ec9',
    500: '#254db1',
    950: '#000000',
  },
}

SCSS

$custom: #254db1;
$custom-light: #767ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#254db1",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 177
  },
  "hsl": {
    "h": 222.857,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45442,
    "c": 0.16589,
    "h": 264.3
  },
  "luminance": 0.08875
}

Semantic roles & 50–950 ramp

primary

#254DB1

secondary

#C8AD6A

accent

#B83FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254DB1

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

Preview Lab → · Contrast checker → · Palette generator →