#255BA7#255BA7

#255BA7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.7% C 0.135 H 257.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#255BA7
RGB	rgb(37, 91, 167)
HSL	hsl(215, 64%, 40%)
HSV	hsv(215, 78%, 65%)
CMYK	cmyk(77.8%, 45.5%, 0%, 34.5%)
CIE-LAB	lab(39.01, 10.02, -45.97)
CIE-LCH	lch(39.01, 47.05, 282.30°)
OKLab	oklab(47.71% -0.0288 -0.1318)
OKLCH	oklch(47.71% 0.135 257.7)
XYZ	xyz(11.4765, 10.6642, 38.0053)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BA7 #A77125

analogous

#259CA7 #255BA7 #3025A7

triadic

#255BA7 #A7255B #5BA725

tetradic

#255BA7 #A7259C #A77125 #25A730

square

#255BA7 #A7259C #A77125 #25A730

split-complementary

#255BA7 #A73025 #9CA725

monochromatic

#0F2443 #1A4075 #255BA7 #3777D3 #6999DE

Accessibility & contrast

On white

6.70

#255BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#255BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BA7

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BA7	#FFFFFF	#000000	##FFFFFF
##255BA7	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462AA

Deuteranopia (green-blind)

#1756A5

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ba7;
/* rgb */ color: rgb(37, 91, 167);
/* oklch */ color: oklch(47.7% 0.135 257.7);

Tailwind

colors: {
  custom: {
    50: '#7388c2',
    500: '#255ba7',
    950: '#000000',
  },
}

SCSS

$custom: #255ba7;
$custom-light: #7388c2;
$custom-dark: #000000;

JSON

{
  "hex": "#255ba7",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 167
  },
  "hsl": {
    "h": 215.077,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.47713,
    "c": 0.13491,
    "h": 257.7
  },
  "luminance": 0.10666
}

Semantic roles & 50–950 ramp

primary

#255BA7

secondary

#C49C64

accent

#A241E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255BA7

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

Preview Lab → · Contrast checker → · Palette generator →