#10273C#10273C

#10273C is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.049 H 248.2°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#10273C
RGB	rgb(16, 39, 60)
HSL	hsl(209, 58%, 15%)
HSV	hsv(209, 73%, 24%)
CMYK	cmyk(73.3%, 35%, 0%, 76.5%)
CIE-LAB	lab(14.88, -0.98, -16.13)
CIE-LCH	lch(14.88, 16.16, 266.52°)
OKLab	oklab(26.55% -0.0182 -0.0455)
OKLCH	oklch(26.55% 0.049 248.2)
XYZ	xyz(1.7545, 1.8873, 4.5459)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10273C #3C2510

analogous

#103C3B #10273C #10113C

triadic

#10273C #3C1027 #273C10

tetradic

#10273C #3B103C #3C2510 #113C10

square

#10273C #3B103C #3C2510 #113C10

split-complementary

#10273C #3C1011 #3C3B10

monochromatic

#061018 #061018 #10273C #1D466C #2A669D

Accessibility & contrast

On white

15.25

#10273C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#10273C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10273C

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10273C	#FFFFFF	#000000	##FFFFFF
##10273C	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E283D

Deuteranopia (green-blind)

#18243C

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #10273c;
/* rgb */ color: rgb(16, 39, 60);
/* oklch */ color: oklch(26.6% 0.049 248.2);

Tailwind

colors: {
  custom: {
    50: '#546071',
    500: '#10273c',
    950: '#000000',
  },
}

SCSS

$custom: #10273c;
$custom-light: #546071;
$custom-dark: #000000;

JSON

{
  "hex": "#10273c",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 208.636,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26553,
    "c": 0.04906,
    "h": 248.2
  },
  "luminance": 0.01887
}

Semantic roles & 50–950 ramp

primary

#10273C

secondary

#765232

accent

#9047E1

background

#F4F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #10273C

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

Preview Lab → · Contrast checker → · Palette generator →