#10437F#10437F

#10437F is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.114 H 255.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#10437F
RGB	rgb(16, 67, 127)
HSL	hsl(212, 78%, 28%)
HSV	hsv(212, 87%, 50%)
CMYK	cmyk(87.4%, 47.2%, 0%, 50.2%)
CIE-LAB	lab(28.53, 7.71, -38.50)
CIE-LCH	lch(28.53, 39.27, 281.33°)
OKLab	oklab(38.59% -0.0285 -0.1106)
OKLCH	oklch(38.59% 0.114 255.5)
XYZ	xyz(6.0502, 5.6560, 20.8474)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10437F #7F4C10

analogous

#107A7F #10437F #14107F

triadic

#10437F #7F1043 #437F10

tetradic

#10437F #7F107A #7F4C10 #107F14

square

#10437F #7F107A #7F4C10 #107F14

split-complementary

#10437F #7F1410 #7A7F10

monochromatic

#030E1B #092649 #10437F #1760B5 #267DE4

Accessibility & contrast

On white

9.85

#10437F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#10437F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10437F

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10437F	#FFFFFF	#000000	##FFFFFF
##10437F	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224981

Deuteranopia (green-blind)

#063F7E

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #10437f;
/* rgb */ color: rgb(16, 67, 127);
/* oklch */ color: oklch(38.6% 0.114 255.5);

Tailwind

colors: {
  custom: {
    50: '#6476a4',
    500: '#10437f',
    950: '#000000',
  },
}

SCSS

$custom: #10437f;
$custom-light: #6476a4;
$custom-dark: #000000;

JSON

{
  "hex": "#10437f",
  "rgb": {
    "r": 16,
    "g": 67,
    "b": 127
  },
  "hsl": {
    "h": 212.432,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38593,
    "c": 0.11419,
    "h": 255.5
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#10437F

secondary

#B57B36

accent

#9C34F4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #10437F

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

Preview Lab → · Contrast checker → · Palette generator →