#255EBE#255EBE

#255EBE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.163 H 260.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#255EBE
RGB	rgb(37, 94, 190)
HSL	hsl(218, 67%, 45%)
HSV	hsv(218, 81%, 75%)
CMYK	cmyk(80.5%, 50.5%, 0%, 25.5%)
CIE-LAB	lab(41.40, 17.01, -55.65)
CIE-LCH	lch(41.40, 58.19, 287.00°)
OKLab	oklab(50.04% -0.0275 -0.1602)
OKLCH	oklch(50.04% 0.163 260.3)
XYZ	xyz(14.0565, 12.1147, 50.3027)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EBE #BE8525

analogous

#25ABBE #255EBE #3825BE

triadic

#255EBE #BE255E #5EBE25

tetradic

#255EBE #BE25AB #BE8525 #25BE38

square

#255EBE #BE25AB #BE8525 #25BE38

split-complementary

#255EBE #BE3825 #ABBE25

monochromatic

#112B58 #1B458B #255EBE #457DDB #79A1E5

Accessibility & contrast

On white

6.13

#255EBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#255EBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EBE

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EBE	#FFFFFF	#000000	##FFFFFF
##255EBE	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2169C1

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #255ebe;
/* rgb */ color: rgb(37, 94, 190);
/* oklch */ color: oklch(50.0% 0.163 260.3);

Tailwind

colors: {
  custom: {
    50: '#788bd2',
    500: '#255ebe',
    950: '#000000',
  },
}

SCSS

$custom: #255ebe;
$custom-light: #788bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#255ebe",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 190
  },
  "hsl": {
    "h": 217.647,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50039,
    "c": 0.16256,
    "h": 260.3
  },
  "luminance": 0.12116
}

Semantic roles & 50–950 ramp

primary

#255EBE

secondary

#CDAB72

accent

#AA3EEA

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #255EBE

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

Preview Lab → · Contrast checker → · Palette generator →