#10275F#10275F

#10275F is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.104 H 264.1°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#10275F
RGB	rgb(16, 39, 95)
HSL	hsl(223, 71%, 22%)
HSV	hsv(223, 83%, 37%)
CMYK	cmyk(83.2%, 58.9%, 0%, 62.7%)
CIE-LAB	lab(17.40, 14.12, -35.92)
CIE-LCH	lch(17.40, 38.59, 291.46°)
OKLab	oklab(29.3% -0.0107 -0.1036)
OKLCH	oklch(29.3% 0.104 264.1)
XYZ	xyz(3.0040, 2.3871, 11.1267)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10275F #5F4810

analogous

#104F5F #10275F #21105F

triadic

#10275F #5F1027 #275F10

tetradic

#10275F #5F104F #5F4810 #105F21

square

#10275F #5F104F #5F4810 #105F21

split-complementary

#10275F #5F2110 #4F5F10

monochromatic

#040B1A #07112B #10275F #193D93 #2252C8

Accessibility & contrast

On white

14.21

#10275F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#10275F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10275F

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10275F	#FFFFFF	#000000	##FFFFFF
##10275F	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F61

Deuteranopia (green-blind)

#00275E

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #10275f;
/* rgb */ color: rgb(16, 39, 95);
/* oklch */ color: oklch(29.3% 0.104 264.1);

Tailwind

colors: {
  custom: {
    50: '#5d608d',
    500: '#10275f',
    950: '#000000',
  },
}

SCSS

$custom: #10275f;
$custom-light: #5d608d;
$custom-dark: #000000;

JSON

{
  "hex": "#10275f",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 95
  },
  "hsl": {
    "h": 222.532,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29299,
    "c": 0.10415,
    "h": 264.1
  },
  "luminance": 0.02387
}

Semantic roles & 50–950 ramp

primary

#10275F

secondary

#987B33

accent

#BA3AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10275F

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

Preview Lab → · Contrast checker → · Palette generator →