#255FBE#255FBE

#255FBE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.161 H 259.9°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#255FBE
RGB	rgb(37, 95, 190)
HSL	hsl(217, 67%, 45%)
HSV	hsv(217, 81%, 75%)
CMYK	cmyk(80.5%, 50%, 0%, 25.5%)
CIE-LAB	lab(41.68, 16.36, -55.19)
CIE-LCH	lch(41.68, 57.57, 286.51°)
OKLab	oklab(50.25% -0.0282 -0.1589)
OKLCH	oklch(50.25% 0.161 259.9)
XYZ	xyz(14.1460, 12.2937, 50.3326)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FBE #BE8425

analogous

#25ACBE #255FBE #3825BE

triadic

#255FBE #BE255F #5FBE25

tetradic

#255FBE #BE25AC #BE8425 #25BE38

square

#255FBE #BE25AC #BE8425 #25BE38

split-complementary

#255FBE #BE3825 #ACBE25

monochromatic

#112C58 #1B458B #255FBE #457EDB #79A2E5

Accessibility & contrast

On white

6.07

#255FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#255FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FBE

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FBE	#FFFFFF	#000000	##FFFFFF
##255FBE	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246AC1

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #255fbe;
/* rgb */ color: rgb(37, 95, 190);
/* oklch */ color: oklch(50.3% 0.161 259.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#255fbe",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 190
  },
  "hsl": {
    "h": 217.255,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50254,
    "c": 0.16135,
    "h": 259.9
  },
  "luminance": 0.12295
}

Semantic roles & 50–950 ramp

primary

#255FBE

secondary

#CDAA72

accent

#A93EEA

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #255FBE

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

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