#10275D#10275D

#10275D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.101 H 263.8°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#10275D
RGB	rgb(16, 39, 93)
HSL	hsl(222, 71%, 21%)
HSV	hsv(222, 83%, 36%)
CMYK	cmyk(82.8%, 58.1%, 0%, 63.5%)
CIE-LAB	lab(17.23, 13.25, -34.86)
CIE-LCH	lch(17.23, 37.30, 290.82°)
OKLab	oklab(29.12% -0.0109 -0.1005)
OKLCH	oklch(29.12% 0.101 263.8)
XYZ	xyz(2.9143, 2.3512, 10.6540)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10275D #5D4610

analogous

#104E5D #10275D #20105D

triadic

#10275D #5D1027 #275D10

tetradic

#10275D #5D104E #5D4610 #105D20

square

#10275D #5D104E #5D4610 #105D20

split-complementary

#10275D #5D2010 #4E5D10

monochromatic

#040B1A #071129 #10275D #193D91 #2253C5

Accessibility & contrast

On white

14.28

#10275D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#10275D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10275D

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10275D	#FFFFFF	#000000	##FFFFFF
##10275D	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #10275d;
/* rgb */ color: rgb(16, 39, 93);
/* oklch */ color: oklch(29.1% 0.101 263.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#10275d",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 93
  },
  "hsl": {
    "h": 222.078,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29119,
    "c": 0.1011,
    "h": 263.8
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#10275D

secondary

#967833

accent

#B83AED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10275D

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

Preview Lab → · Contrast checker → · Palette generator →