#263D9F#263D9F

#263D9F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.161 H 268.1°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#263D9F
RGB	rgb(38, 61, 159)
HSL	hsl(229, 61%, 39%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(76.1%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(30.04, 27.10, -55.70)
CIE-LCH	lch(30.04, 61.94, 295.94°)
OKLab	oklab(40.73% -0.0053 -0.1609)
OKLCH	oklch(40.73% 0.161 268.1)
XYZ	xyz(8.7239, 6.2518, 33.5411)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D9F #9F8826

analogous

#26799F #263D9F #4B269F

triadic

#263D9F #9F263D #3D9F26

tetradic

#263D9F #9F2679 #9F8826 #269F4B

square

#263D9F #9F2679 #9F8826 #269F4B

split-complementary

#263D9F #9F4B26 #799F26

monochromatic

#0E173C #1A2A6E #263D9F #3451CE #657BDA

Accessibility & contrast

On white

9.33

#263D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#263D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D9F

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D9F	#FFFFFF	#000000	##FFFFFF
##263D9F	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263d9f;
/* rgb */ color: rgb(38, 61, 159);
/* oklch */ color: oklch(40.7% 0.161 268.1);

Tailwind

colors: {
  custom: {
    50: '#7372bc',
    500: '#263d9f',
    950: '#000000',
  },
}

SCSS

$custom: #263d9f;
$custom-light: #7372bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263d9f",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 228.595,
    "s": 61.421,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40731,
    "c": 0.161,
    "h": 268.1
  },
  "luminance": 0.06253
}

Semantic roles & 50–950 ramp

primary

#263D9F

secondary

#C0AE61

accent

#C643E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263D9F

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

Preview Lab → · Contrast checker → · Palette generator →