#104B9D#104B9D

#104B9D is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.8% C 0.146 H 258.4°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#104B9D
RGB	rgb(16, 75, 157)
HSL	hsl(215, 82%, 34%)
HSV	hsv(215, 90%, 62%)
CMYK	cmyk(89.8%, 52.2%, 0%, 38.4%)
CIE-LAB	lab(33.08, 14.75, -49.57)
CIE-LCH	lch(33.08, 51.71, 286.57°)
OKLab	oklab(42.78% -0.0293 -0.143)
OKLCH	oklch(42.78% 0.146 258.4)
XYZ	xyz(8.8133, 7.5755, 32.8895)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B9D #9D6210

analogous

#10929D #104B9D #1C109D

triadic

#104B9D #9D104B #4B9D10

tetradic

#104B9D #9D1092 #9D6210 #109D1C

square

#104B9D #9D1092 #9D6210 #109D1C

split-complementary

#104B9D #9D1C10 #929D10

monochromatic

#05162E #0A3065 #104B9D #1666D5 #3C85EB

Accessibility & contrast

On white

8.35

#104B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#104B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B9D

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B9D	#FFFFFF	#000000	##FFFFFF
##104B9D	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1154A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #104b9d;
/* rgb */ color: rgb(16, 75, 157);
/* oklch */ color: oklch(42.8% 0.146 258.4);

Tailwind

colors: {
  custom: {
    50: '#6c7cbb',
    500: '#104b9d',
    950: '#000000',
  },
}

SCSS

$custom: #104b9d;
$custom-light: #6c7cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#104b9d",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 157
  },
  "hsl": {
    "h": 214.894,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42781,
    "c": 0.14593,
    "h": 258.4
  },
  "luminance": 0.07577
}

Semantic roles & 50–950 ramp

primary

#104B9D

secondary

#CA903E

accent

#A430F8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104B9D

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

Preview Lab → · Contrast checker → · Palette generator →