#10235E#10235E

#10235E is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.3% C 0.108 H 266.0°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#10235E
RGB	rgb(16, 35, 94)
HSL	hsl(225, 71%, 22%)
HSV	hsv(225, 83%, 37%)
CMYK	cmyk(83%, 62.8%, 0%, 63.1%)
CIE-LAB	lab(16.11, 16.67, -37.36)
CIE-LCH	lch(16.11, 40.91, 294.04°)
OKLab	oklab(28.3% -0.0076 -0.1079)
OKLCH	oklch(28.3% 0.108 266)
XYZ	xyz(2.8344, 2.1201, 10.8473)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10235E #5E4B10

analogous

#104A5E #10235E #24105E

triadic

#10235E #5E1023 #235E10

tetradic

#10235E #5E104A #5E4B10 #105E24

square

#10235E #5E104A #5E4B10 #105E24

split-complementary

#10235E #5E2410 #4A5E10

monochromatic

#040A1A #07102A #10235E #193692 #224AC7

Accessibility & contrast

On white

14.75

#10235E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#10235E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10235E

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10235E	#FFFFFF	#000000	##FFFFFF
##10235E	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C60

Deuteranopia (green-blind)

#00245D

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #10235e;
/* rgb */ color: rgb(16, 35, 94);
/* oklch */ color: oklch(28.3% 0.108 266.0);

Tailwind

colors: {
  custom: {
    50: '#5d5d8c',
    500: '#10235e',
    950: '#000000',
  },
}

SCSS

$custom: #10235e;
$custom-light: #5d5d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#10235e",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 94
  },
  "hsl": {
    "h": 225.385,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28298,
    "c": 0.10819,
    "h": 266
  },
  "luminance": 0.0212
}

Semantic roles & 50–950 ramp

primary

#10235E

secondary

#977F33

accent

#C23AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10235E

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

Preview Lab → · Contrast checker → · Palette generator →