#263A64#263A64

#263A64 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.078 H 263.7°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#263A64
RGB	rgb(38, 58, 100)
HSL	hsl(221, 45%, 27%)
HSV	hsv(221, 62%, 39%)
CMYK	cmyk(62%, 42%, 0%, 60.8%)
CIE-LAB	lab(24.82, 6.41, -27.21)
CIE-LCH	lch(24.82, 27.96, 283.26°)
OKLab	oklab(35.4% -0.0086 -0.0772)
OKLCH	oklch(35.4% 0.078 263.7)
XYZ	xyz(4.6118, 4.3579, 12.6522)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A64 #645026

analogous

#265964 #263A64 #312664

triadic

#263A64 #64263A #3A6426

tetradic

#263A64 #642659 #645026 #266431

square

#263A64 #642659 #645026 #266431

split-complementary

#263A64 #643126 #596426

monochromatic

#080D16 #152038 #263A64 #375490 #4A6EBA

Accessibility & contrast

On white

11.22

#263A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#263A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A64

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A64	#FFFFFF	#000000	##FFFFFF
##263A64	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#203863

Tritanopia (blue-blind)

#00434A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263a64;
/* rgb */ color: rgb(38, 58, 100);
/* oklch */ color: oklch(35.4% 0.078 263.7);

Tailwind

colors: {
  custom: {
    50: '#666f90',
    500: '#263a64',
    950: '#000000',
  },
}

SCSS

$custom: #263a64;
$custom-light: #666f90;
$custom-dark: #000000;

JSON

{
  "hex": "#263a64",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 100
  },
  "hsl": {
    "h": 220.645,
    "s": 44.928,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35401,
    "c": 0.07772,
    "h": 263.7
  },
  "luminance": 0.04358
}

Semantic roles & 50–950 ramp

primary

#263A64

secondary

#97804F

accent

#AB53D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263A64

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

Preview Lab → · Contrast checker → · Palette generator →