#10408D#10408D

#10408D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.138 H 260.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#10408D
RGB	rgb(16, 64, 141)
HSL	hsl(217, 80%, 31%)
HSV	hsv(217, 89%, 55%)
CMYK	cmyk(88.7%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(28.64, 15.69, -47.01)
CIE-LCH	lch(28.64, 49.56, 288.46°)
OKLab	oklab(39.01% -0.024 -0.1357)
OKLCH	oklch(39.01% 0.138 260)
XYZ	xyz(6.8530, 5.6992, 25.9330)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10408D #8D5D10

analogous

#107E8D #10408D #1E108D

triadic

#10408D #8D1040 #408D10

tetradic

#10408D #8D107E #8D5D10 #108D1E

square

#10408D #8D107E #8D5D10 #108D1E

split-complementary

#10408D #8D1E10 #7E8D10

monochromatic

#040E1F #0A2756 #10408D #1659C4 #3076E7

Accessibility & contrast

On white

9.81

#10408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#10408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10408D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10408D	#FFFFFF	#000000	##FFFFFF
##10408D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014990

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #10408d;
/* rgb */ color: rgb(16, 64, 141);
/* oklch */ color: oklch(39.0% 0.138 260.0);

Tailwind

colors: {
  custom: {
    50: '#6874af',
    500: '#10408d',
    950: '#000000',
  },
}

SCSS

$custom: #10408d;
$custom-light: #6874af;
$custom-dark: #000000;

JSON

{
  "hex": "#10408d",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 216.96,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39005,
    "c": 0.13779,
    "h": 260
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#10408D

secondary

#C28C37

accent

#AB32F6

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #10408D

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

Preview Lab → · Contrast checker → · Palette generator →