#10273E#10273E

#10273E is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.7% C 0.052 H 250.4°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#10273E
RGB	rgb(16, 39, 62)
HSL	hsl(210, 59%, 15%)
HSV	hsv(210, 74%, 24%)
CMYK	cmyk(74.2%, 37.1%, 0%, 75.7%)
CIE-LAB	lab(15.00, -0.14, -17.35)
CIE-LCH	lch(15.00, 17.35, 269.52°)
OKLab	oklab(26.68% -0.0175 -0.0491)
OKLCH	oklch(26.68% 0.052 250.4)
XYZ	xyz(1.8084, 1.9088, 4.8296)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10273E #3E2710

analogous

#103E3E #10273E #10103E

triadic

#10273E #3E1027 #273E10

tetradic

#10273E #3E103E #3E2710 #103E10

square

#10273E #3E103E #3E2710 #103E10

split-complementary

#10273E #3E1010 #3E3E10

monochromatic

#060F18 #060F18 #10273E #1D466F #29649F

Accessibility & contrast

On white

15.20

#10273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#10273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10273E

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10273E	#FFFFFF	#000000	##FFFFFF
##10273E	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283F

Deuteranopia (green-blind)

#17243E

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10273e;
/* rgb */ color: rgb(16, 39, 62);
/* oklch */ color: oklch(26.7% 0.052 250.4);

Tailwind

colors: {
  custom: {
    50: '#546073',
    500: '#10273e',
    950: '#000000',
  },
}

SCSS

$custom: #10273e;
$custom-light: #546073;
$custom-dark: #000000;

JSON

{
  "hex": "#10273e",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 210,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26683,
    "c": 0.05209,
    "h": 250.4
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#10273E

secondary

#785532

accent

#9446E2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #10273E

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

Preview Lab → · Contrast checker → · Palette generator →