#263B80#263B80

#263B80 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.7% C 0.119 H 267.6°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#263B80
RGB	rgb(38, 59, 128)
HSL	hsl(226, 54%, 33%)
HSV	hsv(226, 70%, 50%)
CMYK	cmyk(70.3%, 53.9%, 0%, 49.8%)
CIE-LAB	lab(27.01, 16.51, -41.53)
CIE-LCH	lch(27.01, 44.69, 291.68°)
OKLab	oklab(37.68% -0.005 -0.1193)
OKLCH	oklch(37.68% 0.119 267.6)
XYZ	xyz(6.2582, 5.0979, 21.0721)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B80 #806B26

analogous

#266880 #263B80 #3E2680

triadic

#263B80 #80263B #3B8026

tetradic

#263B80 #802668 #806B26 #26803E

square

#263B80 #802668 #806B26 #26803E

split-complementary

#263B80 #803E26 #688026

monochromatic

#0A0F22 #182551 #263B80 #3451AF #5470CC

Accessibility & contrast

On white

10.40

#263B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#263B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B80

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B80	#FFFFFF	#000000	##FFFFFF
##263B80	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4482

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263b80;
/* rgb */ color: rgb(38, 59, 128);
/* oklch */ color: oklch(37.7% 0.119 267.6);

Tailwind

colors: {
  custom: {
    50: '#6c70a5',
    500: '#263b80',
    950: '#000000',
  },
}

SCSS

$custom: #263b80;
$custom-light: #6c70a5;
$custom-dark: #000000;

JSON

{
  "hex": "#263b80",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 128
  },
  "hsl": {
    "h": 226,
    "s": 54.217,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37684,
    "c": 0.11939,
    "h": 267.6
  },
  "luminance": 0.05099
}

Semantic roles & 50–950 ramp

primary

#263B80

secondary

#B19A51

accent

#BB4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263B80

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

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