#10274A#10274A

#10274A is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.5% C 0.071 H 258.7°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#10274A
RGB	rgb(16, 39, 74)
HSL	hsl(216, 64%, 18%)
HSV	hsv(216, 78%, 29%)
CMYK	cmyk(78.4%, 47.3%, 0%, 71%)
CIE-LAB	lab(15.78, 4.99, -24.41)
CIE-LCH	lch(15.78, 24.91, 281.55°)
OKLab	oklab(27.54% -0.014 -0.0697)
OKLCH	oklch(27.54% 0.071 258.7)
XYZ	xyz(2.1748, 2.0554, 6.7593)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10274A #4A3310

analogous

#10444A #10274A #16104A

triadic

#10274A #4A1027 #274A10

tetradic

#10274A #4A1044 #4A3310 #104A16

square

#10274A #4A1044 #4A3310 #104A16

split-complementary

#10274A #4A1610 #444A10

monochromatic

#050D19 #050D19 #10274A #1B427C #265CAF

Accessibility & contrast

On white

14.88

#10274A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#10274A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10274A

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10274A	#FFFFFF	#000000	##FFFFFF
##10274A	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162A4B

Deuteranopia (green-blind)

#0C2549

Tritanopia (blue-blind)

#002F34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #10274a;
/* rgb */ color: rgb(16, 39, 74);
/* oklch */ color: oklch(27.5% 0.071 258.7);

Tailwind

colors: {
  custom: {
    50: '#57607d',
    500: '#10274a',
    950: '#000000',
  },
}

SCSS

$custom: #10274a;
$custom-light: #57607d;
$custom-dark: #000000;

JSON

{
  "hex": "#10274a",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 74
  },
  "hsl": {
    "h": 216.207,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27538,
    "c": 0.07113,
    "h": 258.7
  },
  "luminance": 0.02056
}

Semantic roles & 50–950 ramp

primary

#10274A

secondary

#846332

accent

#A540E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #10274A

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

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