#263D9E#263D9E

#263D9E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.160 H 268.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#263D9E
RGB	rgb(38, 61, 158)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(75.9%, 61.4%, 0%, 38%)
CIE-LAB	lab(29.95, 26.72, -55.23)
CIE-LCH	lch(29.95, 61.35, 295.82°)
OKLab	oklab(40.64% -0.0053 -0.1595)
OKLCH	oklch(40.64% 0.16 268.1)
XYZ	xyz(8.6375, 6.2172, 33.0860)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D9E #9E8726

analogous

#26799E #263D9E #4B269E

triadic

#263D9E #9E263D #3D9E26

tetradic

#263D9E #9E2679 #9E8726 #269E4B

square

#263D9E #9E2679 #9E8726 #269E4B

split-complementary

#263D9E #9E4B26 #799E26

monochromatic

#0E173B #1A2A6D #263D9E #3351CE #657BDA

Accessibility & contrast

On white

9.36

#263D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#263D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D9E

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D9E	#FFFFFF	#000000	##FFFFFF
##263D9E	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263d9e;
/* rgb */ color: rgb(38, 61, 158);
/* oklch */ color: oklch(40.6% 0.160 268.1);

Tailwind

colors: {
  custom: {
    50: '#7372bb',
    500: '#263d9e',
    950: '#000000',
  },
}

SCSS

$custom: #263d9e;
$custom-light: #7372bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263d9e",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 228.5,
    "s": 61.224,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40641,
    "c": 0.15963,
    "h": 268.1
  },
  "luminance": 0.06218
}

Semantic roles & 50–950 ramp

primary

#263D9E

secondary

#C0AD60

accent

#C643E4

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263D9E

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

Preview Lab → · Contrast checker → · Palette generator →