#10499F#10499F

#10499F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.151 H 259.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#10499F
RGB	rgb(16, 73, 159)
HSL	hsl(216, 82%, 34%)
HSV	hsv(216, 90%, 62%)
CMYK	cmyk(89.9%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(32.65, 16.94, -51.47)
CIE-LCH	lch(32.65, 54.19, 288.21°)
OKLab	oklab(42.5% -0.0277 -0.1486)
OKLCH	oklch(42.5% 0.151 259.4)
XYZ	xyz(8.8519, 7.3773, 33.7516)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10499F #9F6610

analogous

#10919F #10499F #1F109F

triadic

#10499F #9F1049 #499F10

tetradic

#10499F #9F1091 #9F6610 #109F1F

square

#10499F #9F1091 #9F6610 #109F1F

split-complementary

#10499F #9F1F10 #919F10

monochromatic

#051630 #0A2F67 #10499F #1663D7 #3E83EC

Accessibility & contrast

On white

8.48

#10499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#10499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10499F

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10499F	#FFFFFF	#000000	##FFFFFF
##10499F	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #10499f;
/* rgb */ color: rgb(16, 73, 159);
/* oklch */ color: oklch(42.5% 0.151 259.4);

Tailwind

colors: {
  custom: {
    50: '#6d7bbc',
    500: '#10499f',
    950: '#000000',
  },
}

SCSS

$custom: #10499f;
$custom-light: #6d7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#10499f",
  "rgb": {
    "r": 16,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 216.084,
    "s": 81.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42499,
    "c": 0.15119,
    "h": 259.4
  },
  "luminance": 0.07378
}

Semantic roles & 50–950 ramp

primary

#10499F

secondary

#CB9440

accent

#A830F8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #10499F

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

Preview Lab → · Contrast checker → · Palette generator →