#10235B#10235B

#10235B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.0% C 0.104 H 265.7°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#10235B
RGB	rgb(16, 35, 91)
HSL	hsl(225, 70%, 21%)
HSV	hsv(225, 82%, 36%)
CMYK	cmyk(82.4%, 61.5%, 0%, 64.3%)
CIE-LAB	lab(15.84, 15.38, -35.80)
CIE-LCH	lch(15.84, 38.97, 293.25°)
OKLab	oklab(28.01% -0.0078 -0.1033)
OKLCH	oklch(28.01% 0.104 265.7)
XYZ	xyz(2.7024, 2.0672, 10.1521)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10235B #5B4810

analogous

#10485B #10235B #22105B

triadic

#10235B #5B1023 #235B10

tetradic

#10235B #5B1048 #5B4810 #105B22

square

#10235B #5B1048 #5B4810 #105B22

split-complementary

#10235B #5B2210 #485B10

monochromatic

#050A1A #070F27 #10235B #19378F #224BC3

Accessibility & contrast

On white

14.86

#10235B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#10235B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10235B

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10235B	#FFFFFF	#000000	##FFFFFF
##10235B	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #10235b;
/* rgb */ color: rgb(16, 35, 91);
/* oklch */ color: oklch(28.0% 0.104 265.7);

Tailwind

colors: {
  custom: {
    50: '#5c5d8a',
    500: '#10235b',
    950: '#000000',
  },
}

SCSS

$custom: #10235b;
$custom-light: #5c5d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#10235b",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 91
  },
  "hsl": {
    "h": 224.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28012,
    "c": 0.10362,
    "h": 265.7
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#10235B

secondary

#947B33

accent

#C03BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10235B

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

Preview Lab → · Contrast checker → · Palette generator →