#255CAC#255CAC

#255CAC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.141 H 258.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#255CAC
RGB	rgb(37, 92, 172)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 78%, 67%)
CMYK	cmyk(78.5%, 46.5%, 0%, 32.5%)
CIE-LAB	lab(39.62, 11.32, -47.95)
CIE-LCH	lch(39.62, 49.27, 283.28°)
OKLab	oklab(48.29% -0.0287 -0.1376)
OKLCH	oklch(48.29% 0.141 258.2)
XYZ	xyz(12.0338, 11.0248, 40.5155)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CAC #AC7525

analogous

#259FAC #255CAC #3225AC

triadic

#255CAC #AC255C #5CAC25

tetradic

#255CAC #AC259F #AC7525 #25AC32

square

#255CAC #AC259F #AC7525 #25AC32

split-complementary

#255CAC #AC3225 #9FAC25

monochromatic

#0F2647 #1A417A #255CAC #3A79D5 #6C9BDF

Accessibility & contrast

On white

6.55

#255CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#255CAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CAC

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CAC	#FFFFFF	#000000	##FFFFFF
##255CAC	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3164AF

Deuteranopia (green-blind)

#0F58AA

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255cac;
/* rgb */ color: rgb(37, 92, 172);
/* oklch */ color: oklch(48.3% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#7489c5',
    500: '#255cac',
    950: '#000000',
  },
}

SCSS

$custom: #255cac;
$custom-light: #7489c5;
$custom-dark: #000000;

JSON

{
  "hex": "#255cac",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 172
  },
  "hsl": {
    "h": 215.556,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4829,
    "c": 0.14057,
    "h": 258.2
  },
  "luminance": 0.11026
}

Semantic roles & 50–950 ramp

primary

#255CAC

secondary

#C69F67

accent

#A340E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255CAC

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

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