#255FBD#255FBD

#255FBD is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.2% C 0.160 H 259.8°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#255FBD
RGB	rgb(37, 95, 189)
HSL	hsl(217, 67%, 44%)
HSV	hsv(217, 80%, 74%)
CMYK	cmyk(80.4%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(41.61, 15.97, -54.72)
CIE-LCH	lch(41.61, 57.00, 286.27°)
OKLab	oklab(50.18% -0.0283 -0.1575)
OKLCH	oklch(50.18% 0.16 259.8)
XYZ	xyz(14.0371, 12.2502, 49.7589)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FBD #BD8325

analogous

#25ABBD #255FBD #3725BD

triadic

#255FBD #BD255F #5FBD25

tetradic

#255FBD #BD25AB #BD8325 #25BD37

square

#255FBD #BD25AB #BD8325 #25BD37

split-complementary

#255FBD #BD3725 #ABBD25

monochromatic

#112C57 #1B458A #255FBD #457EDB #78A1E5

Accessibility & contrast

On white

6.09

#255FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#255FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FBD

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FBD	#FFFFFF	#000000	##FFFFFF
##255FBD	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2669C0

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #255fbd;
/* rgb */ color: rgb(37, 95, 189);
/* oklch */ color: oklch(50.2% 0.160 259.8);

Tailwind

colors: {
  custom: {
    50: '#788bd1',
    500: '#255fbd',
    950: '#000000',
  },
}

SCSS

$custom: #255fbd;
$custom-light: #788bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#255fbd",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 217.105,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5018,
    "c": 0.16,
    "h": 259.8
  },
  "luminance": 0.12252
}

Semantic roles & 50–950 ramp

primary

#255FBD

secondary

#CCAA72

accent

#A83EEA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #255FBD

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

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