#255FB6#255FB6

#255FB6 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.151 H 258.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#255FB6
RGB	rgb(37, 95, 182)
HSL	hsl(216, 66%, 43%)
HSV	hsv(216, 80%, 71%)
CMYK	cmyk(79.7%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(41.14, 13.25, -51.39)
CIE-LCH	lch(41.14, 53.07, 284.46°)
OKLab	oklab(49.67% -0.0294 -0.1477)
OKLCH	oklch(49.67% 0.151 258.7)
XYZ	xyz(13.2956, 11.9536, 45.8534)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FB6 #B67C25

analogous

#25A7B6 #255FB6 #3325B6

triadic

#255FB6 #B6255F #5FB625

tetradic

#255FB6 #B625A7 #B67C25 #25B633

square

#255FB6 #B625A7 #B67C25 #25B633

split-complementary

#255FB6 #B63325 #A7B625

monochromatic

#102A50 #1B4483 #255FB6 #407DD8 #73A0E3

Accessibility & contrast

On white

6.19

#255FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#255FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FB6

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FB6	#FFFFFF	#000000	##FFFFFF
##255FB6	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E68B9

Deuteranopia (green-blind)

#005BB4

Tritanopia (blue-blind)

#007481

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #255fb6;
/* rgb */ color: rgb(37, 95, 182);
/* oklch */ color: oklch(49.7% 0.151 258.7);

Tailwind

colors: {
  custom: {
    50: '#768bcc',
    500: '#255fb6',
    950: '#000000',
  },
}

SCSS

$custom: #255fb6;
$custom-light: #768bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#255fb6",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 216,
    "s": 66.21,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4967,
    "c": 0.15056,
    "h": 258.7
  },
  "luminance": 0.11955
}

Semantic roles & 50–950 ramp

primary

#255FB6

secondary

#CAA56D

accent

#A53FE9

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #255FB6

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

Preview Lab → · Contrast checker → · Palette generator →