#263DB0#263DB0

#263DB0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.184 H 268.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#263DB0
RGB	rgb(38, 61, 176)
HSL	hsl(230, 64%, 42%)
HSV	hsv(230, 78%, 69%)
CMYK	cmyk(78.4%, 65.3%, 0%, 31%)
CIE-LAB	lab(31.54, 33.48, -63.45)
CIE-LCH	lch(31.54, 71.75, 297.82°)
OKLab	oklab(42.3% -0.0057 -0.1836)
OKLCH	oklch(42.3% 0.184 268.2)
XYZ	xyz(10.3018, 6.8830, 41.8515)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263DB0 #B09926

analogous

#2682B0 #263DB0 #5426B0

triadic

#263DB0 #B0263D #3DB026

tetradic

#263DB0 #B02682 #B09926 #26B054

square

#263DB0 #B02682 #B09926 #26B054

split-complementary

#263DB0 #B05426 #82B026

monochromatic

#101A4B #1B2C7E #263DB0 #3E57D5 #7083E0

Accessibility & contrast

On white

8.84

#263DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#263DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263DB0

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263DB0	#FFFFFF	#000000	##FFFFFF
##263DB0	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #263db0;
/* rgb */ color: rgb(38, 61, 176);
/* oklch */ color: oklch(42.3% 0.184 268.2);

Tailwind

colors: {
  custom: {
    50: '#7772c9',
    500: '#263db0',
    950: '#000000',
  },
}

SCSS

$custom: #263db0;
$custom-light: #7772c9;
$custom-dark: #000000;

JSON

{
  "hex": "#263db0",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 176
  },
  "hsl": {
    "h": 230,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.423,
    "c": 0.18372,
    "h": 268.2
  },
  "luminance": 0.06884
}

Semantic roles & 50–950 ramp

primary

#263DB0

secondary

#C7B86B

accent

#CC40E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #263DB0

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

Preview Lab → · Contrast checker → · Palette generator →