#104F8D#104F8D

#104F8D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.119 H 252.8°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#104F8D
RGB	rgb(16, 79, 141)
HSL	hsl(210, 80%, 31%)
HSV	hsv(210, 89%, 55%)
CMYK	cmyk(88.7%, 44%, 0%, 44.7%)
CIE-LAB	lab(33.19, 5.41, -39.68)
CIE-LCH	lch(33.19, 40.04, 277.76°)
OKLab	oklab(42.51% -0.0352 -0.1138)
OKLCH	oklch(42.51% 0.119 252.8)
XYZ	xyz(7.8156, 7.6242, 26.2538)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104F8D #8D4E10

analogous

#108D8C #104F8D #10108D

triadic

#104F8D #8D104F #4F8D10

tetradic

#104F8D #8C108D #8D4E10 #108D10

square

#104F8D #8C108D #8D4E10 #108D10

split-complementary

#104F8D #8D1010 #8D8C10

monochromatic

#04111F #0A3056 #104F8D #166EC4 #308CE7

Accessibility & contrast

On white

8.32

#104F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#104F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104F8D

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104F8D	#FFFFFF	#000000	##FFFFFF
##104F8D	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F548F

Deuteranopia (green-blind)

#17498C

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #104f8d;
/* rgb */ color: rgb(16, 79, 141);
/* oklch */ color: oklch(42.5% 0.119 252.8);

Tailwind

colors: {
  custom: {
    50: '#687faf',
    500: '#104f8d',
    950: '#000000',
  },
}

SCSS

$custom: #104f8d;
$custom-light: #687faf;
$custom-dark: #000000;

JSON

{
  "hex": "#104f8d",
  "rgb": {
    "r": 16,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 209.76,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42509,
    "c": 0.1191,
    "h": 252.8
  },
  "luminance": 0.07625
}

Semantic roles & 50–950 ramp

primary

#104F8D

secondary

#C27C37

accent

#9332F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #104F8D

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

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