Recognised as Colour
#B37421
- #B37421
- Orange
- Dark
- Nearest: Peru
#B37421 is a orange with RGB values 179, 116, 33 and HSL 34°, 69%, 42%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Peru.
Colour values
#B37421#B37421
HEX#B37421
RGBrgb(179, 116, 33)
RGB (0–1)0.702, 0.4549, 0.1294
RGB percentages70.2%, 45.5%, 12.9%
HSLhsl(34.1, 68.9%, 41.6%)
HSV / HSBhsv(34.1, 81.6%, 70.2%)
CMYK0%, 35.2%, 81.6%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,760,673
CSS custom property--colour: #B37421;
Brightness & contrast
Relative luminance0.22184WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.44:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.44:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#4C8BDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.44:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2160B3
Analogous#B32B21, #A9B321
Triadic#21B374, #7421B3
Split complementary#21A9B3, #2B21B3
Tetradic#21B32B, #2160B3, #B321A9
Tints, shades & saturation
Channel breakdown
R179
G116
B33
Red179 (70.2%)
Green116 (45.5%)
Blue33 (12.9%)
Hue34.11°
Saturation (HSL)68.87%
Lightness41.57%
Dominant channelRed
Hex per channelR B3 · G 74 · B 21
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Also reads as
B37421 (chemical formula)
- Formula
- 404,521.01 g/mol
- 37421 atoms
B37421 has a molar mass of 404,521.01 g/mol, made up of 37421 atoms across 1 element: 37421 × B.
Molar mass
Molar mass404,521.01 g/mol
Total atoms per molecule37421
Distinct elements1
Mass of one molecule6.7172294 × 10^-19 g
Molecules per gram1.488709 × 10^18
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
B100%
Boron (B × 37421)404,521.01 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page