#10253A#10253A

#10253A is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.9% C 0.048 H 250.2°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#10253A
RGB	rgb(16, 37, 58)
HSL	hsl(210, 57%, 15%)
HSV	hsv(210, 72%, 23%)
CMYK	cmyk(72.4%, 36.2%, 0%, 77.3%)
CIE-LAB	lab(14.05, -0.36, -16.04)
CIE-LCH	lch(14.05, 16.04, 268.71°)
OKLab	oklab(25.86% -0.0163 -0.0453)
OKLCH	oklch(25.86% 0.048 250.2)
XYZ	xyz(1.6387, 1.7386, 4.2514)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10253A #3A2510

analogous

#103A3A #10253A #10103A

triadic

#10253A #3A1025 #253A10

tetradic

#10253A #3A103A #3A2510 #103A10

square

#10253A #3A103A #3A2510 #103A10

split-complementary

#10253A #3A1010 #3A3A10

monochromatic

#070F18 #070F18 #10253A #1D446A #2A629A

Accessibility & contrast

On white

15.58

#10253A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#10253A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10253A

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10253A	#FFFFFF	#000000	##FFFFFF
##10253A	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C263B

Deuteranopia (green-blind)

#16223A

Tritanopia (blue-blind)

#002A2C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #10253a;
/* rgb */ color: rgb(16, 37, 58);
/* oklch */ color: oklch(25.9% 0.048 250.2);

Tailwind

colors: {
  custom: {
    50: '#535f70',
    500: '#10253a',
    950: '#000000',
  },
}

SCSS

$custom: #10253a;
$custom-light: #535f70;
$custom-dark: #000000;

JSON

{
  "hex": "#10253a",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 58
  },
  "hsl": {
    "h": 210,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2586,
    "c": 0.04814,
    "h": 250.2
  },
  "luminance": 0.01739
}

Semantic roles & 50–950 ramp

primary

#10253A

secondary

#745332

accent

#9448E0

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #10253A

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

Preview Lab → · Contrast checker → · Palette generator →