#255AAC#255AAC

#255AAC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.143 H 259.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#255AAC
RGB	rgb(37, 90, 172)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 78%, 67%)
CMYK	cmyk(78.5%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(39.04, 12.63, -48.89)
CIE-LCH	lch(39.04, 50.49, 284.48°)
OKLab	oklab(47.84% -0.027 -0.1404)
OKLCH	oklch(47.84% 0.143 259.1)
XYZ	xyz(11.8628, 10.6828, 40.4585)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255AAC #AC7725

analogous

#259DAC #255AAC #3325AC

triadic

#255AAC #AC255A #5AAC25

tetradic

#255AAC #AC259D #AC7725 #25AC33

square

#255AAC #AC259D #AC7725 #25AC33

split-complementary

#255AAC #AC3325 #9DAC25

monochromatic

#0F2547 #1A407A #255AAC #3A76D5 #6C99DF

Accessibility & contrast

On white

6.69

#255AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#255AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255AAC

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255AAC	#FFFFFF	#000000	##FFFFFF
##255AAC	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AF

Deuteranopia (green-blind)

#0256AA

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255aac;
/* rgb */ color: rgb(37, 90, 172);
/* oklch */ color: oklch(47.8% 0.143 259.1);

Tailwind

colors: {
  custom: {
    50: '#7488c5',
    500: '#255aac',
    950: '#000000',
  },
}

SCSS

$custom: #255aac;
$custom-light: #7488c5;
$custom-dark: #000000;

JSON

{
  "hex": "#255aac",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 216.444,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47842,
    "c": 0.14298,
    "h": 259.1
  },
  "luminance": 0.10684
}

Semantic roles & 50–950 ramp

primary

#255AAC

secondary

#C6A167

accent

#A640E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255AAC

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

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