#10489F#10489F

#10489F is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.3% C 0.152 H 259.8°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#10489F
RGB	rgb(16, 72, 159)
HSL	hsl(217, 82%, 34%)
HSV	hsv(217, 90%, 62%)
CMYK	cmyk(89.9%, 54.7%, 0%, 37.6%)
CIE-LAB	lab(32.36, 17.62, -51.94)
CIE-LCH	lch(32.36, 54.85, 288.74°)
OKLab	oklab(42.28% -0.0271 -0.15)
OKLCH	oklch(42.28% 0.152 259.8)
XYZ	xyz(8.7868, 7.2470, 33.7298)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10489F #9F6710

analogous

#10909F #10489F #1F109F

triadic

#10489F #9F1048 #489F10

tetradic

#10489F #9F1090 #9F6710 #109F1F

square

#10489F #9F1090 #9F6710 #109F1F

split-complementary

#10489F #9F1F10 #909F10

monochromatic

#051630 #0A2F67 #10489F #1661D7 #3E82EC

Accessibility & contrast

On white

8.57

#10489F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#10489F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10489F

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10489F	#FFFFFF	#000000	##FFFFFF
##10489F	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #10489f;
/* rgb */ color: rgb(16, 72, 159);
/* oklch */ color: oklch(42.3% 0.152 259.8);

Tailwind

colors: {
  custom: {
    50: '#6d7abc',
    500: '#10489f',
    950: '#000000',
  },
}

SCSS

$custom: #10489f;
$custom-light: #6d7abc;
$custom-dark: #000000;

JSON

{
  "hex": "#10489f",
  "rgb": {
    "r": 16,
    "g": 72,
    "b": 159
  },
  "hsl": {
    "h": 216.503,
    "s": 81.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42279,
    "c": 0.15245,
    "h": 259.8
  },
  "luminance": 0.07248
}

Semantic roles & 50–950 ramp

primary

#10489F

secondary

#CB9440

accent

#AA30F8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #10489F

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

Preview Lab → · Contrast checker → · Palette generator →