#255DAC#255DAC

#255DAC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.5% C 0.139 H 257.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#255DAC
RGB	rgb(37, 93, 172)
HSL	hsl(215, 65%, 41%)
HSV	hsv(215, 78%, 67%)
CMYK	cmyk(78.5%, 45.9%, 0%, 32.5%)
CIE-LAB	lab(39.91, 10.66, -47.48)
CIE-LCH	lch(39.91, 48.67, 282.66°)
OKLab	oklab(48.52% -0.0295 -0.1362)
OKLCH	oklch(48.52% 0.139 257.8)
XYZ	xyz(12.1210, 11.1992, 40.5446)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DAC #AC7425

analogous

#25A0AC #255DAC #3025AC

triadic

#255DAC #AC255D #5DAC25

tetradic

#255DAC #AC25A0 #AC7425 #25AC30

square

#255DAC #AC25A0 #AC7425 #25AC30

split-complementary

#255DAC #AC3025 #A0AC25

monochromatic

#0F2747 #1A427A #255DAC #3A7AD5 #6C9CDF

Accessibility & contrast

On white

6.48

#255DAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#255DAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DAC

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DAC	#FFFFFF	#000000	##FFFFFF
##255DAC	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3365AF

Deuteranopia (green-blind)

#1458AA

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255dac;
/* rgb */ color: rgb(37, 93, 172);
/* oklch */ color: oklch(48.5% 0.139 257.8);

Tailwind

colors: {
  custom: {
    50: '#748ac5',
    500: '#255dac',
    950: '#000000',
  },
}

SCSS

$custom: #255dac;
$custom-light: #748ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#255dac",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 172
  },
  "hsl": {
    "h": 215.111,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48515,
    "c": 0.13937,
    "h": 257.8
  },
  "luminance": 0.11201
}

Semantic roles & 50–950 ramp

primary

#255DAC

secondary

#C69E67

accent

#A240E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255DAC

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

Preview Lab → · Contrast checker → · Palette generator →