#10254B#10254B

#10254B is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.1% C 0.076 H 261.2°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#10254B
RGB	rgb(16, 37, 75)
HSL	hsl(219, 65%, 18%)
HSV	hsv(219, 79%, 29%)
CMYK	cmyk(78.7%, 50.7%, 0%, 70.6%)
CIE-LAB	lab(15.18, 6.92, -26.05)
CIE-LCH	lch(15.18, 26.95, 284.87°)
OKLab	oklab(27.1% -0.0116 -0.0746)
OKLCH	oklch(27.1% 0.076 261.2)
XYZ	xyz(2.1448, 1.9411, 6.9169)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10254B #4B3610

analogous

#10424B #10254B #18104B

triadic

#10254B #4B1025 #254B10

tetradic

#10254B #4B1042 #4B3610 #104B18

square

#10254B #4B1042 #4B3610 #104B18

split-complementary

#10254B #4B1810 #424B10

monochromatic

#050C19 #050C19 #10254B #1B3E7D #2657B0

Accessibility & contrast

On white

15.13

#10254B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#10254B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10254B

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10254B	#FFFFFF	#000000	##FFFFFF
##10254B	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12294C

Deuteranopia (green-blind)

#06244A

Tritanopia (blue-blind)

#002E34

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10254b;
/* rgb */ color: rgb(16, 37, 75);
/* oklch */ color: oklch(27.1% 0.076 261.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#10254b",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 75
  },
  "hsl": {
    "h": 218.644,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27098,
    "c": 0.07552,
    "h": 261.2
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#10254B

secondary

#856732

accent

#AC40E8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #10254B

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

Preview Lab → · Contrast checker → · Palette generator →