#255BA9#255BA9

#255BA9 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.138 H 258.1°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#255BA9
RGB	rgb(37, 91, 169)
HSL	hsl(215, 64%, 40%)
HSV	hsv(215, 78%, 66%)
CMYK	cmyk(78.1%, 46.2%, 0%, 33.7%)
CIE-LAB	lab(39.14, 10.80, -46.96)
CIE-LCH	lch(39.14, 48.18, 282.96°)
OKLab	oklab(47.85% -0.0284 -0.1347)
OKLCH	oklch(47.85% 0.138 258.1)
XYZ	xyz(11.6628, 10.7387, 38.9865)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BA9 #A97325

analogous

#259DA9 #255BA9 #3125A9

triadic

#255BA9 #A9255B #5BA925

tetradic

#255BA9 #A9259D #A97325 #25A931

square

#255BA9 #A9259D #A97325 #25A931

split-complementary

#255BA9 #A93125 #9DA925

monochromatic

#0F2545 #1A4077 #255BA9 #3877D3 #6A9ADE

Accessibility & contrast

On white

6.67

#255BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#255BA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BA9

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BA9	#FFFFFF	#000000	##FFFFFF
##255BA9	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AC

Deuteranopia (green-blind)

#1357A7

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ba9;
/* rgb */ color: rgb(37, 91, 169);
/* oklch */ color: oklch(47.9% 0.138 258.1);

Tailwind

colors: {
  custom: {
    50: '#7488c3',
    500: '#255ba9',
    950: '#000000',
  },
}

SCSS

$custom: #255ba9;
$custom-light: #7488c3;
$custom-dark: #000000;

JSON

{
  "hex": "#255ba9",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 169
  },
  "hsl": {
    "h": 215.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47853,
    "c": 0.13766,
    "h": 258.1
  },
  "luminance": 0.1074
}

Semantic roles & 50–950 ramp

primary

#255BA9

secondary

#C49E65

accent

#A341E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255BA9

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

Preview Lab → · Contrast checker → · Palette generator →