#255EC6#255EC6

#255EC6 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.173 H 261.2°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#255EC6
RGB	rgb(37, 94, 198)
HSL	hsl(219, 69%, 46%)
HSV	hsv(219, 81%, 78%)
CMYK	cmyk(81.3%, 52.5%, 0%, 22.4%)
CIE-LAB	lab(41.96, 20.10, -59.38)
CIE-LCH	lch(41.96, 62.69, 288.70°)
OKLab	oklab(50.65% -0.0265 -0.1712)
OKLCH	oklch(50.65% 0.173 261.2)
XYZ	xyz(14.9550, 12.4741, 55.0347)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EC6 #C68D25

analogous

#25AEC6 #255EC6 #3C25C6

triadic

#255EC6 #C6255E #5EC625

tetradic

#255EC6 #C625AE #C68D25 #25C63C

square

#255EC6 #C625AE #C68D25 #25C63C

split-complementary

#255EC6 #C63C25 #AEC625

monochromatic

#122D5F #1B4692 #255EC6 #4B7FDD #7EA3E7

Accessibility & contrast

On white

6.01

#255EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#255EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EC6

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EC6	#FFFFFF	#000000	##FFFFFF
##255EC6	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6BCA

Deuteranopia (green-blind)

#005CC4

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #255ec6;
/* rgb */ color: rgb(37, 94, 198);
/* oklch */ color: oklch(50.6% 0.173 261.2);

Tailwind

colors: {
  custom: {
    50: '#7a8ad8',
    500: '#255ec6',
    950: '#000000',
  },
}

SCSS

$custom: #255ec6;
$custom-light: #7a8ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#255ec6",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 198
  },
  "hsl": {
    "h": 218.758,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50646,
    "c": 0.17325,
    "h": 261.2
  },
  "luminance": 0.12476
}

Semantic roles & 50–950 ramp

primary

#255EC6

secondary

#CFB077

accent

#AD3CEB

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #255EC6

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

Preview Lab → · Contrast checker → · Palette generator →