#104B8D#104B8D

#104B8D is a dark, vivid cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.124 H 255.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#104B8D
RGB	rgb(16, 75, 141)
HSL	hsl(212, 80%, 31%)
HSV	hsv(212, 89%, 55%)
CMYK	cmyk(88.7%, 46.8%, 0%, 44.7%)
CIE-LAB	lab(31.95, 8.10, -41.66)
CIE-LCH	lch(31.95, 42.44, 281.01°)
OKLab	oklab(41.55% -0.032 -0.1197)
OKLCH	oklch(41.55% 0.124 255)
XYZ	xyz(7.5357, 7.0644, 26.1605)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B8D #8D5210

analogous

#10898D #104B8D #13108D

triadic

#104B8D #8D104B #4B8D10

tetradic

#104B8D #8D1089 #8D5210 #108D13

square

#104B8D #8D1089 #8D5210 #108D13

split-complementary

#104B8D #8D1310 #898D10

monochromatic

#04111F #0A2E56 #104B8D #1668C4 #3087E7

Accessibility & contrast

On white

8.70

#104B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#104B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B8D

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B8D	#FFFFFF	#000000	##FFFFFF
##104B8D	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275190

Deuteranopia (green-blind)

#06468C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #104b8d;
/* rgb */ color: rgb(16, 75, 141);
/* oklch */ color: oklch(41.6% 0.124 255.0);

Tailwind

colors: {
  custom: {
    50: '#687caf',
    500: '#104b8d',
    950: '#000000',
  },
}

SCSS

$custom: #104b8d;
$custom-light: #687caf;
$custom-dark: #000000;

JSON

{
  "hex": "#104b8d",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 211.68,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41551,
    "c": 0.12389,
    "h": 255
  },
  "luminance": 0.07065
}

Semantic roles & 50–950 ramp

primary

#104B8D

secondary

#C28037

accent

#9932F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #104B8D

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

Preview Lab → · Contrast checker → · Palette generator →