#263B5D#263B5D

#263B5D is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.065 H 259.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#263B5D
RGB	rgb(38, 59, 93)
HSL	hsl(217, 42%, 26%)
HSV	hsv(217, 59%, 36%)
CMYK	cmyk(59.1%, 36.6%, 0%, 63.5%)
CIE-LAB	lab(24.73, 3.11, -22.81)
CIE-LCH	lch(24.73, 23.02, 277.77°)
OKLab	oklab(35.2% -0.0117 -0.0644)
OKLCH	oklch(35.2% 0.065 259.7)
XYZ	xyz(4.3384, 4.3300, 10.9610)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B5D #5D4826

analogous

#26565D #263B5D #2C265D

triadic

#263B5D #5D263B #3B5D26

tetradic

#263B5D #5D2656 #5D4826 #265D2C

square

#263B5D #5D2656 #5D4826 #265D2C

split-complementary

#263B5D #5D2C26 #565D26

monochromatic

#090E16 #141F32 #263B5D #385788 #4A72B4

Accessibility & contrast

On white

11.25

#263B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#263B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B5D

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B5D	#FFFFFF	#000000	##FFFFFF
##263B5D	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3E5E

Deuteranopia (green-blind)

#26385C

Tritanopia (blue-blind)

#054347

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263b5d;
/* rgb */ color: rgb(38, 59, 93);
/* oklch */ color: oklch(35.2% 0.065 259.7);

Tailwind

colors: {
  custom: {
    50: '#65708b',
    500: '#263b5d',
    950: '#000000',
  },
}

SCSS

$custom: #263b5d;
$custom-light: #65708b;
$custom-dark: #000000;

JSON

{
  "hex": "#263b5d",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 93
  },
  "hsl": {
    "h": 217.091,
    "s": 41.985,
    "l": 25.686
  },
  "oklch": {
    "l": 0.352,
    "c": 0.06544,
    "h": 259.7
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#263B5D

secondary

#90774F

accent

#A356D2

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263B5D

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

Preview Lab → · Contrast checker → · Palette generator →