#263F79#263F79

#263F79 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.104 H 264.5°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#263F79
RGB	rgb(38, 63, 121)
HSL	hsl(222, 52%, 31%)
HSV	hsv(222, 69%, 47%)
CMYK	cmyk(68.6%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(27.70, 11.01, -36.02)
CIE-LCH	lch(27.70, 37.67, 287.00°)
OKLab	oklab(38.05% -0.01 -0.103)
OKLCH	oklch(38.05% 0.104 264.5)
XYZ	xyz(6.0268, 5.3470, 18.7999)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F79 #796026

analogous

#266879 #263F79 #362679

triadic

#263F79 #79263F #3F7926

tetradic

#263F79 #792668 #796026 #267936

square

#263F79 #792668 #796026 #267936

split-complementary

#263F79 #793626 #687926

monochromatic

#090F1C #17274A #263F79 #3557A8 #5175C8

Accessibility & contrast

On white

10.15

#263F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#263F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F79

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F79	#FFFFFF	#000000	##FFFFFF
##263F79	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22457B

Deuteranopia (green-blind)

#133E78

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263f79;
/* rgb */ color: rgb(38, 63, 121);
/* oklch */ color: oklch(38.1% 0.104 264.5);

Tailwind

colors: {
  custom: {
    50: '#6a73a0',
    500: '#263f79',
    950: '#000000',
  },
}

SCSS

$custom: #263f79;
$custom-light: #6a73a0;
$custom-dark: #000000;

JSON

{
  "hex": "#263f79",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 221.928,
    "s": 52.201,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38051,
    "c": 0.10351,
    "h": 264.5
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#263F79

secondary

#AB9050

accent

#B04CDC

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #263F79

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

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