Recognised as Colour
#CB5305
- #CB5305
- Orange
- Dark
- Nearest: Chocolate
#CB5305 is a orange with RGB values 203, 83, 5 and HSL 24°, 95%, 41%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.
Colour values
#CB5305#CB5305
HEX#CB5305
RGBrgb(203, 83, 5)
RGB (0–1)0.7961, 0.3255, 0.0196
RGB percentages79.6%, 32.5%, 2%
HSLhsl(23.6, 95.2%, 40.8%)
HSV / HSBhsv(23.6, 97.5%, 79.6%)
CMYK0%, 59.1%, 97.5%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,325,061
CSS custom property--colour: #CB5305;
Brightness & contrast
Relative luminance0.18894WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.78:1
Contrast with white4.39:1WCAG normal text: Fail
Contrast with black4.78:1WCAG normal text: AA
Greyscale equivalent#676767
Inverted#34ACFA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.39:1WCAG large text: AA
Contrast with black, large text4.78:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#057DCB
Analogous#CB051A, #CBB605
Triadic#05CB53, #5305CB
Split complementary#05CBB6, #051ACB
Tetradic#1ACB05, #057DCB, #B605CB
Tints, shades & saturation
Channel breakdown
R203
G83
B5
Red203 (79.6%)
Green83 (32.5%)
Blue5 (2%)
Hue23.64°
Saturation (HSL)95.19%
Lightness40.78%
Dominant channelRed
Hex per channelR CB · G 53 · B 05
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
CB5305 (chemical formula)
- Formula
- 57,359.061 g/mol
- 5306 atoms
CB5305 has a molar mass of 57,359.061 g/mol, made up of 5306 atoms across 2 elements: 1 × C, 5305 × B.
Molar mass
Molar mass57,359.061 g/mol
Total atoms per molecule5306
Distinct elements2
Mass of one molecule9.5246962 × 10^-20 g
Molecules per gram1.0499023 × 10^19
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
C0%
B100%
Carbon (C)12.011 g/mol, 0.021%
Boron (B × 5305)57,347.05 g/mol, 99.979%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page