#4F487B#4F487B

#4F487B is a dark, moderate blue. Relative luminance 0.077; OKLCH L 43.2% C 0.083 H 288.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4F487B
RGB	rgb(79, 72, 123)
HSL	hsl(248, 26%, 38%)
HSV	hsv(248, 41%, 48%)
CMYK	cmyk(35.8%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(33.41, 15.91, -28.02)
CIE-LCH	lch(33.41, 32.22, 299.59°)
OKLab	oklab(43.22% 0.0266 -0.0786)
OKLCH	oklch(43.22% 0.083 288.7)
XYZ	xyz(9.1160, 7.7268, 19.7462)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F487B #747B48

analogous

#485A7B #4F487B #68487B

triadic

#4F487B #7B4F48 #487B4F

tetradic

#4F487B #7B485A #747B48 #487B68

square

#4F487B #7B485A #747B48 #487B68

split-complementary

#4F487B #7B6848 #5A7B48

monochromatic

#1D1B2E #363154 #4F487B #685FA1 #8C86B8

Accessibility & contrast

On white

8.25

#4F487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4F487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F487B

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F487B	#FFFFFF	#000000	##FFFFFF
##4F487B	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507D

Deuteranopia (green-blind)

#384D7A

Tritanopia (blue-blind)

#44525B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4f487b;
/* rgb */ color: rgb(79, 72, 123);
/* oklch */ color: oklch(43.2% 0.083 288.7);

Tailwind

colors: {
  custom: {
    50: '#827ba1',
    500: '#4f487b',
    950: '#000000',
  },
}

SCSS

$custom: #4f487b;
$custom-light: #827ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f487b",
  "rgb": {
    "r": 79,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 248.235,
    "s": 26.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43216,
    "c": 0.08297,
    "h": 288.7
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#4F487B

secondary

#9EA47B

accent

#C365B6

background

#F8F7F9

surface

#EFEDF2

border

#CAC8CC

text

#0A090F

muted

#7C7B7E

Preview Lab

Preview with #4F487B

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

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