#263D6E#263D6E

#263D6E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.089 H 263.7°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#263D6E
RGB	rgb(38, 61, 110)
HSL	hsl(221, 49%, 29%)
HSV	hsv(221, 65%, 43%)
CMYK	cmyk(65.5%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(26.38, 8.15, -31.17)
CIE-LCH	lch(26.38, 32.22, 284.65°)
OKLab	oklab(36.8% -0.0099 -0.0888)
OKLCH	oklch(36.8% 0.089 263.7)
XYZ	xyz(5.2816, 4.8749, 15.4114)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D6E #6E5726

analogous

#26616E #263D6E #33266E

triadic

#263D6E #6E263D #3D6E26

tetradic

#263D6E #6E2661 #6E5726 #266E33

square

#263D6E #6E2661 #6E5726 #266E33

split-complementary

#263D6E #6E3326 #616E26

monochromatic

#080D17 #162441 #263D6E #36569B #4D72C1

Accessibility & contrast

On white

10.63

#263D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#263D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D6E

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D6E	#FFFFFF	#000000	##FFFFFF
##263D6E	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274270

Deuteranopia (green-blind)

#1C3B6D

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263d6e;
/* rgb */ color: rgb(38, 61, 110);
/* oklch */ color: oklch(36.8% 0.089 263.7);

Tailwind

colors: {
  custom: {
    50: '#687298',
    500: '#263d6e',
    950: '#000000',
  },
}

SCSS

$custom: #263d6e;
$custom-light: #687298;
$custom-dark: #000000;

JSON

{
  "hex": "#263d6e",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 220.833,
    "s": 48.649,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36801,
    "c": 0.08935,
    "h": 263.7
  },
  "luminance": 0.04875
}

Semantic roles & 50–950 ramp

primary

#263D6E

secondary

#A1874F

accent

#AD50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #263D6E

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

Preview Lab → · Contrast checker → · Palette generator →