#10298D#10298D

#10298D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.3% C 0.166 H 265.9°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#10298D
RGB	rgb(16, 41, 141)
HSL	hsl(228, 80%, 31%)
HSV	hsv(228, 89%, 55%)
CMYK	cmyk(88.7%, 70.9%, 0%, 44.7%)
CIE-LAB	lab(22.37, 31.62, -57.27)
CIE-LCH	lch(22.37, 65.41, 298.90°)
OKLab	oklab(34.33% -0.012 -0.166)
OKLCH	oklch(34.33% 0.166 265.9)
XYZ	xyz(5.8127, 3.6184, 25.5862)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10298D #8D7410

analogous

#10678D #10298D #35108D

triadic

#10298D #8D1029 #298D10

tetradic

#10298D #8D1067 #8D7410 #108D35

square

#10298D #8D1067 #8D7410 #108D35

split-complementary

#10298D #8D3510 #678D10

monochromatic

#04091F #0A1956 #10298D #1639C4 #3055E7

Accessibility & contrast

On white

12.18

#10298D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#10298D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10298D

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10298D	#FFFFFF	#000000	##FFFFFF
##10298D	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #10298d;
/* rgb */ color: rgb(16, 41, 141);
/* oklch */ color: oklch(34.3% 0.166 265.9);

Tailwind

colors: {
  custom: {
    50: '#6a63af',
    500: '#10298d',
    950: '#000000',
  },
}

SCSS

$custom: #10298d;
$custom-light: #6a63af;
$custom-dark: #000000;

JSON

{
  "hex": "#10298d",
  "rgb": {
    "r": 16,
    "g": 41,
    "b": 141
  },
  "hsl": {
    "h": 228,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34328,
    "c": 0.16648,
    "h": 265.9
  },
  "luminance": 0.03619
}

Semantic roles & 50–950 ramp

primary

#10298D

secondary

#C2A637

accent

#CF32F6

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #10298D

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

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