#255AA7#255AA7

#255AA7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.136 H 258.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#255AA7
RGB	rgb(37, 90, 167)
HSL	hsl(216, 64%, 40%)
HSV	hsv(216, 78%, 65%)
CMYK	cmyk(77.8%, 46.1%, 0%, 34.5%)
CIE-LAB	lab(38.72, 10.68, -46.45)
CIE-LCH	lch(38.72, 47.66, 282.95°)
OKLab	oklab(47.49% -0.0279 -0.1332)
OKLCH	oklch(47.49% 0.136 258.2)
XYZ	xyz(11.3916, 10.4943, 37.9770)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255AA7 #A77225

analogous

#259BA7 #255AA7 #3125A7

triadic

#255AA7 #A7255A #5AA725

tetradic

#255AA7 #A7259B #A77225 #25A731

square

#255AA7 #A7259B #A77225 #25A731

split-complementary

#255AA7 #A73125 #9BA725

monochromatic

#0F2443 #1A3F75 #255AA7 #3776D3 #6998DE

Accessibility & contrast

On white

6.78

#255AA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#255AA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255AA7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255AA7	#FFFFFF	#000000	##FFFFFF
##255AA7	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3162AA

Deuteranopia (green-blind)

#1356A5

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255aa7;
/* rgb */ color: rgb(37, 90, 167);
/* oklch */ color: oklch(47.5% 0.136 258.2);

Tailwind

colors: {
  custom: {
    50: '#7388c2',
    500: '#255aa7',
    950: '#000000',
  },
}

SCSS

$custom: #255aa7;
$custom-light: #7388c2;
$custom-dark: #000000;

JSON

{
  "hex": "#255aa7",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 167
  },
  "hsl": {
    "h": 215.538,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.47487,
    "c": 0.13611,
    "h": 258.2
  },
  "luminance": 0.10496
}

Semantic roles & 50–950 ramp

primary

#255AA7

secondary

#C49D64

accent

#A341E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255AA7

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

Preview Lab → · Contrast checker → · Palette generator →