#263E9B#263E9B

#263E9B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.154 H 267.8°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#263E9B
RGB	rgb(38, 62, 155)
HSL	hsl(228, 61%, 38%)
HSV	hsv(228, 75%, 61%)
CMYK	cmyk(75.5%, 60%, 0%, 39.2%)
CIE-LAB	lab(29.97, 24.90, -53.38)
CIE-LCH	lch(29.97, 58.90, 295.00°)
OKLab	oklab(40.57% -0.006 -0.1541)
OKLCH	oklch(40.57% 0.154 267.8)
XYZ	xyz(8.4363, 6.2230, 31.7605)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E9B #9B8326

analogous

#26799B #263E9B #48269B

triadic

#263E9B #9B263E #3E9B26

tetradic

#263E9B #9B2679 #9B8326 #269B48

square

#263E9B #9B2679 #9B8326 #269B48

split-complementary

#263E9B #9B4826 #799B26

monochromatic

#0E1739 #1A2A6A #263E9B #3252CC #637BD9

Accessibility & contrast

On white

9.35

#263E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#263E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E9B

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E9B	#FFFFFF	#000000	##FFFFFF
##263E9B	1.00	9.35	2.24	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263e9b;
/* rgb */ color: rgb(38, 62, 155);
/* oklch */ color: oklch(40.6% 0.154 267.8);

Tailwind

colors: {
  custom: {
    50: '#7273b9',
    500: '#263e9b',
    950: '#000000',
  },
}

SCSS

$custom: #263e9b;
$custom-light: #7273b9;
$custom-dark: #000000;

JSON

{
  "hex": "#263e9b",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 155
  },
  "hsl": {
    "h": 227.692,
    "s": 60.622,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40573,
    "c": 0.15423,
    "h": 267.8
  },
  "luminance": 0.06224
}

Semantic roles & 50–950 ramp

primary

#263E9B

secondary

#BEAB5F

accent

#C344E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263E9B

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

Preview Lab → · Contrast checker → · Palette generator →