#255FBA#255FBA

#255FBA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.156 H 259.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#255FBA
RGB	rgb(37, 95, 186)
HSL	hsl(217, 67%, 44%)
HSV	hsv(217, 80%, 73%)
CMYK	cmyk(80.1%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(41.41, 14.80, -53.30)
CIE-LCH	lch(41.41, 55.32, 285.52°)
OKLab	oklab(49.96% -0.0288 -0.1533)
OKLCH	oklch(49.96% 0.156 259.4)
XYZ	xyz(13.7148, 12.1213, 48.0617)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FBA #BA8025

analogous

#25A9BA #255FBA #3525BA

triadic

#255FBA #BA255F #5FBA25

tetradic

#255FBA #BA25A9 #BA8025 #25BA35

square

#255FBA #BA25A9 #BA8025 #25BA35

split-complementary

#255FBA #BA3525 #A9BA25

monochromatic

#112B54 #1B4587 #255FBA #437DDA #76A1E4

Accessibility & contrast

On white

6.13

#255FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#255FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FBA

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FBA	#FFFFFF	#000000	##FFFFFF
##255FBA	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A69BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #255fba;
/* rgb */ color: rgb(37, 95, 186);
/* oklch */ color: oklch(50.0% 0.156 259.4);

Tailwind

colors: {
  custom: {
    50: '#778bcf',
    500: '#255fba',
    950: '#000000',
  },
}

SCSS

$custom: #255fba;
$custom-light: #778bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#255fba",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 216.644,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4996,
    "c": 0.15597,
    "h": 259.4
  },
  "luminance": 0.12123
}

Semantic roles & 50–950 ramp

primary

#255FBA

secondary

#CBA870

accent

#A73EEA

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #255FBA

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

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