#263DA5#263DA5

#263DA5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.169 H 268.2°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#263DA5
RGB	rgb(38, 61, 165)
HSL	hsl(229, 63%, 40%)
HSV	hsv(229, 77%, 65%)
CMYK	cmyk(77%, 63%, 0%, 35.3%)
CIE-LAB	lab(30.56, 29.37, -58.47)
CIE-LCH	lch(30.56, 65.44, 296.67°)
OKLab	oklab(41.28% -0.0053 -0.169)
OKLCH	oklch(41.28% 0.169 268.2)
XYZ	xyz(9.2572, 6.4651, 36.3500)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263DA5 #A58E26

analogous

#267DA5 #263DA5 #4F26A5

triadic

#263DA5 #A5263D #3DA526

tetradic

#263DA5 #A5267D #A58E26 #26A54F

square

#263DA5 #A5267D #A58E26 #26A54F

split-complementary

#263DA5 #A54F26 #7DA526

monochromatic

#0F1842 #1B2B73 #263DA5 #3753D1 #697EDC

Accessibility & contrast

On white

9.16

#263DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#263DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263DA5

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263DA5	#FFFFFF	#000000	##FFFFFF
##263DA5	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263da5;
/* rgb */ color: rgb(38, 61, 165);
/* oklch */ color: oklch(41.3% 0.169 268.2);

Tailwind

colors: {
  custom: {
    50: '#7572c1',
    500: '#263da5',
    950: '#000000',
  },
}

SCSS

$custom: #263da5;
$custom-light: #7572c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263da5",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 229.134,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41275,
    "c": 0.16913,
    "h": 268.2
  },
  "luminance": 0.06466
}

Semantic roles & 50–950 ramp

primary

#263DA5

secondary

#C3B164

accent

#C842E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263DA5

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

Preview Lab → · Contrast checker → · Palette generator →