#263D9D#263D9D

#263D9D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.158 H 268.1°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#263D9D
RGB	rgb(38, 61, 157)
HSL	hsl(228, 61%, 38%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(75.8%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.87, 26.34, -54.76)
CIE-LCH	lch(29.87, 60.76, 295.68°)
OKLab	oklab(40.55% -0.0053 -0.1582)
OKLCH	oklch(40.55% 0.158 268.1)
XYZ	xyz(8.5518, 6.1830, 32.6345)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D9D #9D8626

analogous

#26789D #263D9D #4A269D

triadic

#263D9D #9D263D #3D9D26

tetradic

#263D9D #9D2678 #9D8626 #269D4A

square

#263D9D #9D2678 #9D8626 #269D4A

split-complementary

#263D9D #9D4A26 #789D26

monochromatic

#0E173A #1A2A6C #263D9D #3351CE #647BD9

Accessibility & contrast

On white

9.39

#263D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#263D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D9D

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D9D	#FFFFFF	#000000	##FFFFFF
##263D9D	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263d9d;
/* rgb */ color: rgb(38, 61, 157);
/* oklch */ color: oklch(40.6% 0.158 268.1);

Tailwind

colors: {
  custom: {
    50: '#7372bb',
    500: '#263d9d',
    950: '#000000',
  },
}

SCSS

$custom: #263d9d;
$custom-light: #7372bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263d9d",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 228.403,
    "s": 61.026,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40552,
    "c": 0.15825,
    "h": 268.1
  },
  "luminance": 0.06184
}

Semantic roles & 50–950 ramp

primary

#263D9D

secondary

#BFAD60

accent

#C544E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263D9D

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

Preview Lab → · Contrast checker → · Palette generator →