#10254A#10254A

#10254A is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.0% C 0.074 H 260.8°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#10254A
RGB	rgb(16, 37, 74)
HSL	hsl(218, 64%, 18%)
HSV	hsv(218, 78%, 29%)
CMYK	cmyk(78.4%, 50%, 0%, 71%)
CIE-LAB	lab(15.10, 6.48, -25.48)
CIE-LCH	lch(15.10, 26.30, 284.27°)
OKLab	oklab(27.02% -0.0118 -0.0729)
OKLCH	oklch(27.02% 0.074 260.8)
XYZ	xyz(2.1108, 1.9275, 6.7380)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10254A #4A3510

analogous

#10424A #10254A #18104A

triadic

#10254A #4A1025 #254A10

tetradic

#10254A #4A1042 #4A3510 #104A18

square

#10254A #4A1042 #4A3510 #104A18

split-complementary

#10254A #4A1810 #424A10

monochromatic

#050D19 #050D19 #10254A #1B3E7C #2657AF

Accessibility & contrast

On white

15.16

#10254A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#10254A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10254A

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10254A	#FFFFFF	#000000	##FFFFFF
##10254A	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12294B

Deuteranopia (green-blind)

#072349

Tritanopia (blue-blind)

#002E33

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10254a;
/* rgb */ color: rgb(16, 37, 74);
/* oklch */ color: oklch(27.0% 0.074 260.8);

Tailwind

colors: {
  custom: {
    50: '#575f7d',
    500: '#10254a',
    950: '#000000',
  },
}

SCSS

$custom: #10254a;
$custom-light: #575f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10254a",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 74
  },
  "hsl": {
    "h": 218.276,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27019,
    "c": 0.0739,
    "h": 260.8
  },
  "luminance": 0.01928
}

Semantic roles & 50–950 ramp

primary

#10254A

secondary

#846632

accent

#AB40E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #10254A

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

Preview Lab → · Contrast checker → · Palette generator →