#255DBA#255DBA

#255DBA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.158 H 260.1°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#255DBA
RGB	rgb(37, 93, 186)
HSL	hsl(217, 67%, 44%)
HSV	hsv(217, 80%, 73%)
CMYK	cmyk(80.1%, 50%, 0%, 27.1%)
CIE-LAB	lab(40.84, 16.11, -54.22)
CIE-LCH	lch(40.84, 56.56, 286.55°)
OKLab	oklab(49.53% -0.0273 -0.156)
OKLCH	oklch(49.53% 0.158 260.1)
XYZ	xyz(13.5370, 11.7656, 48.0024)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DBA #BA8225

analogous

#25A7BA #255DBA #3825BA

triadic

#255DBA #BA255D #5DBA25

tetradic

#255DBA #BA25A7 #BA8225 #25BA38

square

#255DBA #BA25A7 #BA8225 #25BA38

split-complementary

#255DBA #BA3825 #A7BA25

monochromatic

#112A54 #1B4387 #255DBA #437BDA #769FE4

Accessibility & contrast

On white

6.26

#255DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#255DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DBA

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DBA	#FFFFFF	#000000	##FFFFFF
##255DBA	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2467BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #255dba;
/* rgb */ color: rgb(37, 93, 186);
/* oklch */ color: oklch(49.5% 0.158 260.1);

Tailwind

colors: {
  custom: {
    50: '#778acf',
    500: '#255dba',
    950: '#000000',
  },
}

SCSS

$custom: #255dba;
$custom-light: #778acf;
$custom-dark: #000000;

JSON

{
  "hex": "#255dba",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 217.45,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49525,
    "c": 0.15838,
    "h": 260.1
  },
  "luminance": 0.11767
}

Semantic roles & 50–950 ramp

primary

#255DBA

secondary

#CBA970

accent

#A93EEA

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #255DBA

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

Preview Lab → · Contrast checker → · Palette generator →