#263F64#263F64

#263F64 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.6% C 0.071 H 258.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#263F64
RGB	rgb(38, 63, 100)
HSL	hsl(216, 45%, 27%)
HSV	hsv(216, 62%, 39%)
CMYK	cmyk(62%, 37%, 0%, 60.8%)
CIE-LAB	lab(26.41, 2.99, -24.70)
CIE-LCH	lch(26.41, 24.88, 276.90°)
OKLab	oklab(36.63% -0.0148 -0.0699)
OKLCH	oklch(36.63% 0.071 258)
XYZ	xyz(4.8763, 4.8868, 12.7404)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F64 #644B26

analogous

#265E64 #263F64 #2C2664

triadic

#263F64 #64263F #3F6426

tetradic

#263F64 #64265E #644B26 #26642C

square

#263F64 #64265E #644B26 #26642C

split-complementary

#263F64 #642C26 #5E6426

monochromatic

#080E16 #152338 #263F64 #375B90 #4A77BA

Accessibility & contrast

On white

10.62

#263F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#263F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F64

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F64	#FFFFFF	#000000	##FFFFFF
##263F64	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304266

Deuteranopia (green-blind)

#283C63

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263f64;
/* rgb */ color: rgb(38, 63, 100);
/* oklch */ color: oklch(36.6% 0.071 258.0);

Tailwind

colors: {
  custom: {
    50: '#667390',
    500: '#263f64',
    950: '#000000',
  },
}

SCSS

$custom: #263f64;
$custom-light: #667390;
$custom-dark: #000000;

JSON

{
  "hex": "#263f64",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 100
  },
  "hsl": {
    "h": 215.806,
    "s": 44.928,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36634,
    "c": 0.07141,
    "h": 258
  },
  "luminance": 0.04887
}

Semantic roles & 50–950 ramp

primary

#263F64

secondary

#977A4F

accent

#A053D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F64

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

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