#255CBA#255CBA

#255CBA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.160 H 260.4°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#255CBA
RGB	rgb(37, 92, 186)
HSL	hsl(218, 67%, 44%)
HSV	hsv(218, 80%, 73%)
CMYK	cmyk(80.1%, 50.5%, 0%, 27.1%)
CIE-LAB	lab(40.56, 16.76, -54.67)
CIE-LCH	lch(40.56, 57.18, 287.05°)
OKLab	oklab(49.31% -0.0265 -0.1574)
OKLCH	oklch(49.31% 0.16 260.4)
XYZ	xyz(13.4498, 11.5912, 47.9733)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CBA #BA8325

analogous

#25A6BA #255CBA #3825BA

triadic

#255CBA #BA255C #5CBA25

tetradic

#255CBA #BA25A6 #BA8325 #25BA38

square

#255CBA #BA25A6 #BA8325 #25BA38

split-complementary

#255CBA #BA3825 #A6BA25

monochromatic

#112A54 #1B4387 #255CBA #437ADA #769EE4

Accessibility & contrast

On white

6.33

#255CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#255CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CBA

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CBA	#FFFFFF	#000000	##FFFFFF
##255CBA	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #255cba;
/* rgb */ color: rgb(37, 92, 186);
/* oklch */ color: oklch(49.3% 0.160 260.4);

Tailwind

colors: {
  custom: {
    50: '#7789cf',
    500: '#255cba',
    950: '#000000',
  },
}

SCSS

$custom: #255cba;
$custom-light: #7789cf;
$custom-dark: #000000;

JSON

{
  "hex": "#255cba",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 186
  },
  "hsl": {
    "h": 217.852,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49309,
    "c": 0.1596,
    "h": 260.4
  },
  "luminance": 0.11593
}

Semantic roles & 50–950 ramp

primary

#255CBA

secondary

#CBA970

accent

#AA3EEA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #255CBA

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

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