#263C9B#263C9B

#263C9B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.157 H 268.3°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#263C9B
RGB	rgb(38, 60, 155)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 75%, 61%)
CMYK	cmyk(75.5%, 61.3%, 0%, 39.2%)
CIE-LAB	lab(29.44, 26.24, -54.25)
CIE-LCH	lch(29.44, 60.27, 295.82°)
OKLab	oklab(40.18% -0.0046 -0.1567)
OKLCH	oklch(40.18% 0.157 268.3)
XYZ	xyz(8.3295, 6.0095, 31.7249)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C9B #9B8526

analogous

#26769B #263C9B #4A269B

triadic

#263C9B #9B263C #3C9B26

tetradic

#263C9B #9B2676 #9B8526 #269B4A

square

#263C9B #9B2676 #9B8526 #269B4A

split-complementary

#263C9B #9B4A26 #769B26

monochromatic

#0E1639 #1A296A #263C9B #324FCC #6379D9

Accessibility & contrast

On white

9.54

#263C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#263C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C9B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C9B	#FFFFFF	#000000	##FFFFFF
##263C9B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9E

Deuteranopia (green-blind)

#004099

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263c9b;
/* rgb */ color: rgb(38, 60, 155);
/* oklch */ color: oklch(40.2% 0.157 268.3);

Tailwind

colors: {
  custom: {
    50: '#7271b9',
    500: '#263c9b',
    950: '#000000',
  },
}

SCSS

$custom: #263c9b;
$custom-light: #7271b9;
$custom-dark: #000000;

JSON

{
  "hex": "#263c9b",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 155
  },
  "hsl": {
    "h": 228.718,
    "s": 60.622,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40177,
    "c": 0.15675,
    "h": 268.3
  },
  "luminance": 0.0601
}

Semantic roles & 50–950 ramp

primary

#263C9B

secondary

#BEAC5F

accent

#C644E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263C9B

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

Preview Lab → · Contrast checker → · Palette generator →