#263F6F#263F6F

#263F6F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.088 H 262.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#263F6F
RGB	rgb(38, 63, 111)
HSL	hsl(219, 49%, 29%)
HSV	hsv(219, 66%, 44%)
CMYK	cmyk(65.8%, 43.2%, 0%, 56.5%)
CIE-LAB	lab(27.06, 7.15, -30.72)
CIE-LCH	lch(27.06, 31.54, 283.11°)
OKLab	oklab(37.35% -0.012 -0.0875)
OKLCH	oklch(37.35% 0.088 262.2)
XYZ	xyz(5.4451, 5.1143, 15.7360)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F6F #6F5626

analogous

#26646F #263F6F #32266F

triadic

#263F6F #6F263F #3F6F26

tetradic

#263F6F #6F2664 #6F5626 #266F32

square

#263F6F #6F2664 #6F5626 #266F32

split-complementary

#263F6F #6F3226 #646F26

monochromatic

#080D17 #162541 #263F6F #36599D #4D75C2

Accessibility & contrast

On white

10.38

#263F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#263F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F6F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F6F	#FFFFFF	#000000	##FFFFFF
##263F6F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4471

Deuteranopia (green-blind)

#1F3D6E

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263f6f;
/* rgb */ color: rgb(38, 63, 111);
/* oklch */ color: oklch(37.3% 0.088 262.2);

Tailwind

colors: {
  custom: {
    50: '#687398',
    500: '#263f6f',
    950: '#000000',
  },
}

SCSS

$custom: #263f6f;
$custom-light: #687398;
$custom-dark: #000000;

JSON

{
  "hex": "#263f6f",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 111
  },
  "hsl": {
    "h": 219.452,
    "s": 48.993,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37348,
    "c": 0.08827,
    "h": 262.2
  },
  "luminance": 0.05115
}

Semantic roles & 50–950 ramp

primary

#263F6F

secondary

#A2854F

accent

#AA4FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F6F

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

Preview Lab → · Contrast checker → · Palette generator →