#104E8D#104E8D

#104E8D is a dark, vivid cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.120 H 253.4°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#104E8D
RGB	rgb(16, 78, 141)
HSL	hsl(210, 80%, 31%)
HSV	hsv(210, 89%, 55%)
CMYK	cmyk(88.7%, 44.7%, 0%, 44.7%)
CIE-LAB	lab(32.88, 6.08, -40.17)
CIE-LCH	lch(32.88, 40.63, 278.61°)
OKLab	oklab(42.27% -0.0344 -0.1152)
OKLCH	oklch(42.27% 0.12 253.4)
XYZ	xyz(7.7440, 7.4810, 26.2300)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104E8D #8D4F10

analogous

#108C8D #104E8D #10108D

triadic

#104E8D #8D104E #4E8D10

tetradic

#104E8D #8D108C #8D4F10 #108D10

square

#104E8D #8D108C #8D4F10 #108D10

split-complementary

#104E8D #8D1010 #8C8D10

monochromatic

#04111F #0A3056 #104E8D #166CC4 #308BE7

Accessibility & contrast

On white

8.41

#104E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#104E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104E8D

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104E8D	#FFFFFF	#000000	##FFFFFF
##104E8D	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D538F

Deuteranopia (green-blind)

#14488C

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #104e8d;
/* rgb */ color: rgb(16, 78, 141);
/* oklch */ color: oklch(42.3% 0.120 253.4);

Tailwind

colors: {
  custom: {
    50: '#687faf',
    500: '#104e8d',
    950: '#000000',
  },
}

SCSS

$custom: #104e8d;
$custom-light: #687faf;
$custom-dark: #000000;

JSON

{
  "hex": "#104e8d",
  "rgb": {
    "r": 16,
    "g": 78,
    "b": 141
  },
  "hsl": {
    "h": 210.24,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42268,
    "c": 0.12028,
    "h": 253.4
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#104E8D

secondary

#C27D37

accent

#9532F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #104E8D

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

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