#10275C#10275C

#10275C is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.100 H 263.7°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#10275C
RGB	rgb(16, 39, 92)
HSL	hsl(222, 70%, 21%)
HSV	hsv(222, 83%, 36%)
CMYK	cmyk(82.6%, 57.6%, 0%, 63.9%)
CIE-LAB	lab(17.15, 12.82, -34.34)
CIE-LCH	lch(17.15, 36.65, 290.48°)
OKLab	oklab(29.03% -0.011 -0.0989)
OKLCH	oklch(29.03% 0.1 263.7)
XYZ	xyz(2.8703, 2.3336, 10.4223)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10275C #5C4510

analogous

#104D5C #10275C #1F105C

triadic

#10275C #5C1027 #275C10

tetradic

#10275C #5C104D #5C4510 #105C1F

square

#10275C #5C104D #5C4510 #105C1F

split-complementary

#10275C #5C1F10 #4D5C10

monochromatic

#050B1A #071128 #10275C #193D90 #2253C4

Accessibility & contrast

On white

14.32

#10275C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#10275C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10275C

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10275C	#FFFFFF	#000000	##FFFFFF
##10275C	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012E5E

Deuteranopia (green-blind)

#00275B

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #10275c;
/* rgb */ color: rgb(16, 39, 92);
/* oklch */ color: oklch(29.0% 0.100 263.7);

Tailwind

colors: {
  custom: {
    50: '#5c608b',
    500: '#10275c',
    950: '#000000',
  },
}

SCSS

$custom: #10275c;
$custom-light: #5c608b;
$custom-dark: #000000;

JSON

{
  "hex": "#10275c",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 92
  },
  "hsl": {
    "h": 221.842,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29029,
    "c": 0.09956,
    "h": 263.7
  },
  "luminance": 0.02334
}

Semantic roles & 50–950 ramp

primary

#10275C

secondary

#957733

accent

#B73BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10275C

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

Preview Lab → · Contrast checker → · Palette generator →