#10255F#10255F

#10255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.107 H 265.1°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#10255F
RGB	rgb(16, 37, 95)
HSL	hsl(224, 71%, 22%)
HSV	hsv(224, 83%, 37%)
CMYK	cmyk(83.2%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(16.79, 15.61, -36.91)
CIE-LCH	lch(16.79, 40.07, 292.92°)
OKLab	oklab(28.84% -0.0091 -0.1065)
OKLCH	oklch(28.84% 0.107 265.1)
XYZ	xyz(2.9401, 2.2592, 11.1054)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10255F #5F4A10

analogous

#104D5F #10255F #23105F

triadic

#10255F #5F1025 #255F10

tetradic

#10255F #5F104D #5F4A10 #105F23

square

#10255F #5F104D #5F4A10 #105F23

split-complementary

#10255F #5F2310 #4D5F10

monochromatic

#040A1A #07112B #10255F #193993 #224EC8

Accessibility & contrast

On white

14.46

#10255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#10255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10255F

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10255F	#FFFFFF	#000000	##FFFFFF
##10255F	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D61

Deuteranopia (green-blind)

#00265E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #10255f;
/* rgb */ color: rgb(16, 37, 95);
/* oklch */ color: oklch(28.8% 0.107 265.1);

Tailwind

colors: {
  custom: {
    50: '#5d5f8d',
    500: '#10255f',
    950: '#000000',
  },
}

SCSS

$custom: #10255f;
$custom-light: #5d5f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#10255f",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 224.051,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28841,
    "c": 0.10694,
    "h": 265.1
  },
  "luminance": 0.0226
}

Semantic roles & 50–950 ramp

primary

#10255F

secondary

#987D33

accent

#BE3AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10255F

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

Preview Lab → · Contrast checker → · Palette generator →