#255DBE#255DBE

#255DBE is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.164 H 260.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#255DBE
RGB	rgb(37, 93, 190)
HSL	hsl(218, 67%, 45%)
HSV	hsv(218, 81%, 75%)
CMYK	cmyk(80.5%, 51.1%, 0%, 25.5%)
CIE-LAB	lab(41.12, 17.66, -56.10)
CIE-LCH	lch(41.12, 58.82, 287.48°)
OKLab	oklab(49.82% -0.0267 -0.1616)
OKLCH	oklch(49.82% 0.164 260.6)
XYZ	xyz(13.9682, 11.9380, 50.2733)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DBE #BE8625

analogous

#25AABE #255DBE #3925BE

triadic

#255DBE #BE255D #5DBE25

tetradic

#255DBE #BE25AA #BE8625 #25BE39

square

#255DBE #BE25AA #BE8625 #25BE39

split-complementary

#255DBE #BE3925 #AABE25

monochromatic

#112B58 #1B448B #255DBE #457CDB #79A0E5

Accessibility & contrast

On white

6.20

#255DBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#255DBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DBE

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DBE	#FFFFFF	#000000	##FFFFFF
##255DBE	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D68C1

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #255dbe;
/* rgb */ color: rgb(37, 93, 190);
/* oklch */ color: oklch(49.8% 0.164 260.6);

Tailwind

colors: {
  custom: {
    50: '#788ad2',
    500: '#255dbe',
    950: '#000000',
  },
}

SCSS

$custom: #255dbe;
$custom-light: #788ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#255dbe",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 190
  },
  "hsl": {
    "h": 218.039,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49824,
    "c": 0.16377,
    "h": 260.6
  },
  "luminance": 0.1194
}

Semantic roles & 50–950 ramp

primary

#255DBE

secondary

#CDAB72

accent

#AB3EEA

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #255DBE

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

Preview Lab → · Contrast checker → · Palette generator →