#255BAC#255BAC

#255BAC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.142 H 258.7°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#255BAC
RGB	rgb(37, 91, 172)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 78%, 67%)
CMYK	cmyk(78.5%, 47.1%, 0%, 32.5%)
CIE-LAB	lab(39.33, 11.97, -48.42)
CIE-LCH	lch(39.33, 49.88, 283.89°)
OKLab	oklab(48.07% -0.0279 -0.139)
OKLCH	oklch(48.07% 0.142 258.7)
XYZ	xyz(11.9477, 10.8526, 40.4868)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BAC #AC7625

analogous

#259EAC #255BAC #3225AC

triadic

#255BAC #AC255B #5BAC25

tetradic

#255BAC #AC259E #AC7625 #25AC32

square

#255BAC #AC259E #AC7625 #25AC32

split-complementary

#255BAC #AC3225 #9EAC25

monochromatic

#0F2647 #1A407A #255BAC #3A78D5 #6C9ADF

Accessibility & contrast

On white

6.62

#255BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#255BAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BAC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BAC	#FFFFFF	#000000	##FFFFFF
##255BAC	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F63AF

Deuteranopia (green-blind)

#0957AA

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255bac;
/* rgb */ color: rgb(37, 91, 172);
/* oklch */ color: oklch(48.1% 0.142 258.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#255bac",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 172
  },
  "hsl": {
    "h": 216,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48065,
    "c": 0.14177,
    "h": 258.7
  },
  "luminance": 0.10854
}

Semantic roles & 50–950 ramp

primary

#255BAC

secondary

#C6A067

accent

#A540E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255BAC

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

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